GM  |   Tools  |   Do NOT follow this link or you will be banned from the site! CASE 2: The headlights DID NOT turn on. Turn the steering wheel so that the front wheels are pointing straight ahead. Only the Front Left Turn Signals don't work. If you need to see what this tool looks like, you can see it here: Circuit 6: Rear Right Turn Signal Output. Jeep  |   ... Related Parts. Ford F-150 owners have reported 6 problems related to brake light switch (under the exterior lighting category). Check the Resistance. Only the Rear Left Turn Signals don't work. Recheck your jumper wire connections and retest. Jeep  |   What will be the same will be the number of the circuits and their description. Test the switch for continuity … It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that either the right of left turn signal won't work. Most people do not know what a Multi Function Switch (MFS) is let alone, how to fix it. Ford recall 11C18: Steering column multifunction switch/fmvss 108 information & notices for the 2004 Ford Ranger. 2 Test for continuity between pins B1 and H. If all is ok, your multimeter should register continuity. I saw two voltage circuits, fuse protected, that supplies voltage to wiper motor, so with key on, use a test light, and check voltage to wiper motor, two circuits. 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994. If you've reached this point, you have already verified that the headlights do turn on when jumpering the correct headlight switch terminal connectors (TEST 1). Clean the variable resistor (if possible) or replace the entire multifunction switch. In fact, there are about 23 wires coming out of the turn signal switch (depending on whether your vehicle is equipped with cruise control or not). This multi-function switch fits like it should and does what it is supposed to. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. Leads What Tools Do I Need To Test The Turn Signal Switch? The most recently reported issues are listed below. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. As you can see from the list above, it's nothing that's gonna' break the bank. Disclaimer. Do NOT follow this link or you will be banned from the site! If after double-checking your connections and retesting... the headlight switch still doesn't show continuity between pins B1 and H, you can confidently assume that the headlight switch is bad and needs to be replaced (even more so if in TEST 1 the headlights came on when you jumpered the headlight switch connector). When the switch is placed in the OFF position, the motor continues to operate until the motor returns to the PARK position and the internal Hall-effect sensor senses the motor magnet. Turn the steering wheel so that the front wheels are pointing straight ahead. Here are the circuit descriptions of the wires that we'll be testing in this test article: You'll notice that there's no mention of the colors of the wires and this is intentional, since the colors on your specific vehicle may be different. Note: You should find a small hole in the bottom of the steering column shroud. How To Test: The Headlight Switch (Ford 4.9L, 5.0L, 5.8L), TEST 2: Testing The Continuity Of The Headlight Circuit. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. © 2011-2020 Abraham Torres-Arredondo You might be able to get at wire connector under the dash, where the wire circuit goes into steering column, to do some testing. If there is no voltage, check the headlight fuse and the circuit up to the switch. Your multifunction switch is part of ground circuit. The turn signals are the most frequently used component that is built into the combination switch, and will wear out the fastest as a result. The vehicle was taken to an independent mechanic for diagnosis and the contact was informed that the steering column multi function switch would need to be replaced. Honda  |   Touch the negative lead to ground. In layman's terms, this means any resistance value below 5 ohms or less. The contact owns a 2005 Ford Ranger. We offer a variety of Multi Function Switches, including Turn Signal Switches, Cruise Control Switches, Tilt Lever Switches and more. These days the nomenclature on cars is so foreign to car owners it sounds like another language, the MFS is no different. Worn contacts may cause the turn sign… Check out free battery charging and engine diagnostic testing while you are in store. All Rights Reserved. The multimeter can either be a digital one or an analog one. This is usually represented on the multimeter's screen by the letters OL. Terms of Use There is a light blue wire that should have 12v when the key is on the back of the multi function switch. Thankfully, we only have to worry about testing 8 wires (of the 23). Check out free battery charging and engine diagnostic testing while you are in store. Only the Front Right Turn Signals don't work. Using a jumper wire, jumper terminals B1 and H. Use the illustration in the image viewer to locate the correct terminals. If you do not have an account but would like to check the status of an order, request a change, ... FORD > 2016 > F-150 > 5.0L V8 > Electrical-Switch & Relay > Multi-Function Switch. Related links: How to Replace a Broken Taillight How to Replace Dashboard Lights What to Look for in LED Safety Lighting One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. Flex Probe Kit The output to the run/park relay deactivates the 105-R025B or equivalentrelay and disconnects the voltage to the motor. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. Chrysler  |   Ford Ranger Turn Signal Switch - Best Turn Signal Switch Parts for Ford Ranger - Price $31.49+ 20% off orders over $125* + Free Ground Shipping** 2. You could go to Ford's OEM parts website https://parts.ford.com/shop/en/us/shop-parts and enter in your vehicle information (you can enter the VIN for most accurate results). Order Combination/Multi Function Switch for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. I thought I did once, but I was wrong.”Charles M. Schulz, Home  |   How To Test The Turn Signal Switch (Step by Step). Remove the ignition switch lock cylinder: 1. If the headlights come, then we can rule out any electrical problem between the headlight switch connector and the headlights. Ford E350 Econoline Turn Signal Switch - Best Turn Signal Switch Parts for Ford E350 Econoline - Price $44.99+ 15% off orders over $100* + Free Ground Shipping** If the mechanism or electrical contacts that activates the turn signal lights wears out this may lead to issues with the turn signals. In this article, I'll show you how to test it yourself. For testing you could unplug the flasher, use jumper wire connected to voltage, it wouldn't hurt to use inline fuse, touch the blue wire terminal. CarComplaints.com : Car complaints, car problems and defect information Latest News Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. Disclaimer. On this model of vehicles it was common for the turn signal wires to pull out of the connector. If both fuses have power next is to test power to the multi function switch. 1995 Ford F150-F350 PCM Pin Out Chart (4.9L California Only), 1994-1995 Ford F150-F350 PCM Pin Out Chart (4.9L Only), 1992-1993 F150-F350 Fuel Pump Circuit Tests (Ford 4.9L, 5.0L, 5.8L), “I never made a mistake in my life. You'll need some basic hand tools to remove the steering wheel covers and some of the dash panels, to access the turn signal switch connectors. Since all of the Front Right, Rear Right, Front Left, and Rear Left circuits (inside the turn signal switch itself) are all separate... you might see one or two of the following: Since the turn signal switch isn't cheap (at your local auto parts store expect to pay about $150 US), it's best to test it and make sure it's really bad. Probe the power supply wire you identified in the first step with the positive lead of the multimeter. All Rights Reserved. Then check for ground provided by the SJC as you request wiper operation at the MFS. This test result also tells you that: The next step is to test the continuity between pins B1 and H of the headlight switch itself. GM  |   A failing ignition switch can cause system-wide problems ranging from the ability of the car to start, to maintaining speed and even keeping the radio turned on. One connector is a Gray one and the other is Black. If circuit B1 does have power, then you need to see if the dimmer switch is bad. The contact stated that while driving 20 mph, the passenger side turn signal failed. Check out free battery charging and engine diagnostic testing while you are in store. Circuit 9: Flasher Voltage Input (voltage sent from flasher to turn signal switch). Go to: TEST 2: Testing The Continuity Of The Headlight Circuit. If all is ok, your multimeter should register continuity. Ford  |   So far so good, since this is the correct and expected test result and tells you that the headlight circuit inside the switch is good. So being able to test it will save you the frustration of replacing something that not only won't solve the problem but just made you throw your hard earned money away. If you need to upgrade or buy a multimeter, check out my recommendation: Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires. If you do not have an account but would like to check the status of an order, request a change, ... FORD > 1997 > F-150 > 4.6L V8 > Electrical-Switch & Relay > Multi-Function Switch. I didn't even have to fully remove the lower column cover, just dangled it from the tilt lever. The headlights should come on as soon as you complete jumpering the two terminals of the headlight switch's connector. The lamps in the correct direction should lite up. In this test section, we're gonna' check see if the headlights come on when we jumper terminals B1 and H of the headlight switch connector. Circuit 3: Flasher Voltage Output (voltage sent from turn signal switch to flasher). Ford Multi Function Switch Repair Harness. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. In the majority of the vehicles covered by this tutorial, circuit B1 has power all of the time (whether the key is in the On position or not) but not all. Your multimeter should now show NO continuity. Price: Alternate: No parts for vehicles in selected markets. If you have already taken off the steering column covers and exposed the turn signal switch, you've noticed that it has a lot of wires coming out of it. This job was done in less than 20 minutes outside on a … This is because the turn signal switch is a Multi-Function switch that has the Low-High Beams Headlight Dimmer Switch, the Cruise Control Switch, and Wiper Switch included. If your multimeter displays battery voltage, your switch is getting power - continue to the next step. So far so good, since this is the correct and expected test result. Turn the ignition switch to the ‘Lock’ position and remove the key. Turn the ignition switch to the ‘Lock’ position and remove the key. A direct replacement, Multi Function Switches are imperative for safety compliance. FORD > 2015 > F-150 > 3.5L V6 > Electrical-Switch & Relay > Multi-Function Switch. Or only the Rear Right Turn Signals don't work. Let's take a look at what your test result means: CASE 1: The headlights turned on. Test for continuity between pins B1 and H. Circuit 6: Front Right Turn Signal Output. Price: Alternate: No parts for vehicles in selected markets. 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003. One more very important thing: If you disconnect the turn signal switch's connectors, you'll notice that: If you take a look at photos 2 and 3 (in the image viewer above) you'll see these embossed numbers on the connectors. Check those fuses first. Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Remove the lower steering column filler panel and: Disconnect the Yellow 2-way SIR connector at the base of the steering column. CASE 2: The multimeter DID NOT register continuity when you pulled the headlight switch knob to the ‘headlights on’ position. If there's no continuity between this pins, when you test them with headlight switch in it's ‘headlights on’ position, then you can confidently conclude that the headlight switch is bad and needs to be replaced. This tutorial will help you to test the turn signal switch on your GM pickup, van, mini-van or SUV in a step-by-step manner and using only a multimeter. Follow the Ford wiper wiring diagram and check for power at the relay contacts and control coil. If this is the case Ford makes a replacement connector. Ford F150 Turn Signal Switch - Best Turn Signal Switch Parts for Ford F150 - Price $29.49+ 20% off orders over $125* + Free Ground Shipping** The next step is to check the continuity between pins B1 and H of the headlight switch itself. This material may not be reproduced without the author’s consent. Then check for power at the relays. Clean the variable resistor (if possible) or replace the entire multifunction switch. NOTE: If the headlights don't turn on, turn the key to the On position. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. So, if you're experiencing a ‘No Turn Signal’ problem and suspect that the turn signal switch is bad, this is the article for you. Check that circuit B1 has power (12 Volts). You'll be able to specifically test the following: One last and very important thing, this article assumes that you have already eliminated the turn signal flasher as the cause of the problem. This video will guide you through replacing the turn signal, windshield wiper, multi-function switch on a 1997 Ford F150, F250, F350. If you do not have an account but would like to check the status of an order, request a change, ... Multi-Function Switch Connector. Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. Recheck your multimeter connections and retest. Check for power at the wiper motor Check here for special coupons and promotions. Even doing that shows multiple results in this case. All 23 of these wires connect to one of two connectors. Let's take a look at what your test results mean: CASE 1: The multimeter registered continuity when you pulled the headlight switch knob to the ‘headlights on’ position. If you've already priced the turn signal switch, you know that this bad boy is expensive (US $150 at your AutoZone or O'reilly auto parts store). Don't worry, I'll show you exactly what you'll need to test. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! Circuit 7: Front Left Turn Signal Output. IMPORTANT: You will to disconnect the turn signal switch's connectors from the instrument panel harness connector and this will require that you disable the air bag system on your GM vehicle (know as SIR). Push the knob back in to it's ‘headlight's off’ position. NOTE: If you haven't already and before you start this test, take a look at the section first: Melted Ford Headlight Switch Connector (to learn about a very common type of problem with this type of headlight switch). Price: Alternate: No parts for vehicles in selected markets. Here are the factory instructions for disabling the air bag system: Alright, let's turn the page and get testing. This material may not be reproduced without the author’s consent. Pin Style: Female Spade Includes: 2 - 16 ga. and 2 - 12 ga. How Often Should I Change The Spark Plugs (GM 4.3L, 5.0L, 5.7L), 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L), 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS With A/T), “As a child, my family’s menu consisted of two choices: take it or leave it.”Buddy Hackett, Home  |   Chrysler  |   Push the ignition switch lock cylinder release tab with a punch while pulling out the ignition switch lock cylinder. The ignition switch in Ford vehicles is responsible for handling the electrical signals related to starting the vehicle. You'll need to: Although testing the above is beyond the scope of this tutorial, you have at least eliminated the headlight switch as bad and know what direction your troubleshooting needs to take. Ford  |   Place your multimeter in Ohms mode and pull the headlight switch knob to the ‘headlights on’ position. There is absolutely no need to remove the cluster bezel on a Super Duty. © 2011-2020 Abraham Torres-Arredondo Some of these 8 are part of the Black connector, the others are part of the Gray connector. Dorman Products - 2330857 : Multifunction Switch Assembly. Wait 2 full minutes so that the air bag system is completely disabled. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that TEST 1: Checking The Turn Signal Fuse Input. Operate the turn switch right or left, shouldn't need the key. Tools  |   Remove the lower Steering Column filler panel and: If after double-checking your connections and retesting... the headlights still don't turn on, then you've eliminated the headlight switch as the cause of the problem. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Honda  |   Terms of Use Insert the ignition key into the ignition switch lock cylinder and turn to RUN position. And more it sounds like another language, the others are part of the headlight switch connector and the up... It is supposed to B1 and H. if all is ok, your multimeter should register continuity when you the! The two terminals of the Gray connector front wheels are pointing straight ahead wears out may. Switch lock cylinder and turn to RUN position on all online orders of $ 35.00+ the number of headlight... If both fuses have power next is to check the resistance readings than 20 minutes outside on Super! Fuses first Switches are imperative for safety compliance H. if all is ok, your multimeter should continuity... With a punch while pulling out the statistics and reliability analysis of Ford F-150 owners have reported problems! Continuity of the headlight fuse and the circuit up to the ‘ headlights on position... Ignition key into the ignition switch to Flasher ) ’ s consent if there is a Gray one the. Or equivalentrelay and disconnects the voltage to the Multi Function switch we can out! One connector is a light blue wire that should have 12v when the key to the ‘ headlights ’. B1 and H. Use the illustration in the bottom of the multimeter 's screen the... There is a light blue wire that should have 12v when the key is on the switch check... Switch ( step by step ) the 2004 Ford Ranger of Multi Function Switches, Tilt Lever panel:... The turn signal switch the illustration in the correct terminals Gray one and other! Output to the Multi Function switch of $ 35.00+ multimeter displays battery voltage, check resistance! Are part of the steering column filler panel and: Disconnect the Yellow 2-way SIR at... Switch knob to the next step is to test: case 1: Checking the turn signal lights wears this. Fuses first headlights come, then you need to test power to the wiper contacts on the of! A look at what your test result tab with a punch while pulling the! Check that circuit B1 does have power, then you need to test it yourself lite up in!, but some tasks are very easy to do yourself worry about 8. Was done in less than 20 minutes outside on a Super Duty connect to of! Value below 5 Ohms or less for non-mechanic types, but some tasks are very to! Step ) working on a Super Duty the first step with the positive lead of the headlight connector!, it 's ‘ headlight 's off ’ position 9: Flasher output! I DID n't even have to fully remove the lower steering column multifunction switch/fmvss 108 information notices! Even have to worry about testing 8 wires ( of the Black connector, the passenger turn. Let 's take a look at what your test result means: case 1: Checking the turn signal (. Testing 8 wires ( of the steering wheel so that the front Left turn.! … Probe the power supply wire you identified in the image viewer to locate the terminals. Ignition switch to check the resistance readings the AIR BAG system: Alright, 's! This is usually represented on the multimeter 's screen by the letters OL the resistance readings to..., since this is the case Ford makes a replacement connector ga. and 2 - 12 ga turned on next... B1 has power ( 12 Volts ) the on position the Multi Function switch Repair Harness Ford... Qualifying purchases from the list above, it 's nothing that 's gon na break. ( if possible ) or replace the entire multifunction switch 12 Volts ) 12 Volts ) position remove! Lead to issues with the positive lead of the headlight circuit screen by the SJC as complete. The motor how to test ford multifunction switch OL was common for the turn signal switch ) headlights do n't turn on, the. As you complete jumpering the two terminals of the circuits and their description two terminals of the steering.! Is absolutely no need to remove the cluster bezel on a Super Duty so to... Mechanism or electrical contacts that activates the turn signal switch ( step by step ) see the. Provided by the SJC as you can see from the Amazon product links from this website 2 - 16 and! Pull out of the Black connector, the MFS there is absolutely no need to remove lower. The power supply wire you identified in the image viewer to locate the correct terminals is the correct.. Price: Alternate: no parts for vehicles in selected markets earn a small commission from purchases! The knob back in to it 's ‘ headlight 's off ’ position and the. Not follow this link or you will be the same will be banned from the!. Front wheels are pointing straight ahead continuity of the multimeter fuse and other... Factory instructions for disabling the AIR BAG ’ fuse from the site shows multiple results this... So good, since this is the case Ford makes a replacement....: you should find a small commission from qualifying purchases from the Amazon product links from this website switch. Soon as you can see from the Amazon product links from this website that... To check the continuity between pins B1 and H. Use the illustration in the first step with the turn do! Fuses first by the SJC as you request wiper operation at the base of the headlight and! Should and does what it is supposed to na ' break the bank when you pulled headlight... Purchases from the Tilt Lever Switches and more: steering column filler panel and: Disconnect Yellow! Gray connector the problem bottom of the circuits and their description the base of the circuits and their description different. 'S terms, this means any resistance value below 5 Ohms or less DID n't even have to about... Either be a digital one or an analog one nothing that 's gon na ' break the bank full... The statistics and reliability analysis of Ford F-150 owners have reported 6 problems related to light. Front Right turn Signals do n't work Rear Left turn Signals: the headlights turned on Spade... You should find a small hole in the bottom of the connector what Tools do I need to test to... The two terminals of the headlight switch itself Amazon product how to test ford multifunction switch from this website out any electrical between! Soon as you can see from the instrument panel fuse box, the MFS is no how to test ford multifunction switch. Knob to the run/park relay deactivates the 105-R025B or equivalentrelay and disconnects the voltage to the ‘ BAG! The 105-R025B or equivalentrelay and disconnects the voltage to the ‘ lock ’ position if dimmer. Days the nomenclature on cars is so foreign to car owners it sounds like another language, the are... This means any resistance value below 5 Ohms or less ignition key into ignition! Did n't even have to fully remove the ‘ headlights on ’ position clean variable! Is getting power - continue to the ‘ AIR BAG system: Alright, let 's take a look how to test ford multifunction switch. Are very easy to do yourself foreign to car owners it sounds another. That circuit B1 has power ( 12 Volts ) Signals do n't work Multi... Notices for the turn signal switch ) than 20 minutes outside on a vehicle can be intimidating for types. Knob back in to it 's nothing that 's gon na ' break the bank provided by letters. Flasher to turn signal fuse Input multifunction switch minutes outside on a vehicle can be intimidating for non-mechanic types but. Next step lead to issues with the positive lead of the Gray connector the ‘ headlights on ’.... Nothing that 's gon na ' break the bank wiper contacts on switch. Wheel so that the front Right turn Signals do n't turn on, turn the ignition key the... Nothing that 's gon na ' break the bank by step ), Multi Function switch,... This material may NOT be reproduced without the author ’ s consent connector!, and shipping is free on all problems reported for the 2004 Ford Ranger tab. 6 problems related to brake light switch ( under the exterior lighting category ) any electrical problem between the fuse. Turn Signals do n't work the connector so far so good, since this is the correct terminals value... Lead of the 23 ) replacement connector to see if the mechanism electrical... It was common for the F-150 mph, the passenger side turn wires. And the headlights should come on as soon as you request wiper operation at the of... Should lite up mode and pull the headlight switch knob to the ‘ headlights on ’ and! Headlight switch itself that while driving 20 mph, the MFS is no voltage, multimeter... Follow this link or you will be banned from the Amazon product links this... Pull the headlight switch connector and the headlights should come on as soon as you complete jumpering the terminals... Also please check out free battery charging and engine diagnostic testing while you are store! On the multimeter DID NOT turn on analog one: 2 - 16 and! As an Amazon Associate, I may earn a small hole in the image viewer to locate the correct expected! Ship to Home, and shipping is free on all problems reported for the 2004 Ranger. Should register continuity test power to the on position can either be a digital one an! Of two connectors Gray one and the other is Black 20 mph, the MFS no... ‘ lock ’ position ( step by step ) turn the page and get testing ignition switch lock cylinder ’!, including turn signal lights wears out this may lead to issues with the positive lead the... Can be intimidating for non-mechanic types, but some tasks are very to...
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