On your 04 TF the fuel pump relay is next to the starter relay, both are housed in the left hand side of the boot between the liner and n/s quarter panel, of the 2 relays the fuel pump relay is the one to the front of the car. Have a specialty? The Live MG MGB Technical BBS is active now. how do I troubleshoot a fuel problem for a 79 mgb? All Gauges, Indicators and Brake Lights fail. This thread is from the archive. The fuse holder is weak and the clips corrode and loose tension and the large consumers (lights / horns / fan / wipers) are directly switch which is ⦠Click photos description for details. Only 2 left. Better to use one fuse for each. Another battle with the Prince of Darkness, the fuse box and lights / horn switching is one of the common failure points on the MG electrical system. Free postage. Welcome to our resource for MG Car Information. Rimmer Bros has a variety of Fuel Pump Relay products available. £8.20 postage. Apply to be an Expert . It is also reversible - should anyone want to! A pink eraser or 600 grit sandpaper can be used to clean contacts, and a smear of dialectric grease will help prevent future corrosion. Dec.77) Throttle Shaft Bushings (Driveline Oct.01) Weber 45DCOE9 Carb Conversion part 2 (MGB! Show More. Ok....thanks to all of you. It is often found in the fuse ⦠The fact damage is visible here shows the short must have occurred either in the pump or closer to it than this point. If there had been a fuse near the pump then it would have prevented the damage from this short in the pump, but if the short had happened in the rear harness under the car the fuse wouldn't have blown and the same damage would have occurred in the rest of the wiring. This has happened to both my roadster and V8 before my ownership. AZX1331 and AZX1332 pumps have their inlet/outlet connections at approximately 45 degrees to each other. Customs services and international tracking provided. Often, it's not the pump itself that fails to function, but the power that supplies it. I've inserted them at existing spade and bullet connections which avoids cutting into wiring. I guess it's partly historical and partly cost-cutting, the UK made some pretty pared-down motors post WW2. Fuel Pump Guide A rough guide to the types of pump fitted to the MGB. So, since the fuel pump is powered off the white circuit it is switched (by the ignition switch) but not fused. Activates fuel pump relay (d) Power input wires: wire: function: 29: brown/pink (1) 12 volt input to all functions, switched on by ECU power-on relay in the main relay pack. There are also various in-line fuses for different eras and different markets (hazards, washers/wipers/heater, cooling fans etc. C $25.03. The fuel pump relay is an electronic component that is found on virtually all vehicles equipped with an internal combustion engine. STANDARD MOTOR ⦠Discussion Starter ⢠#1 ⢠May 1, 2008. Related Parts. MG > 1973 > MGB > 1.8L L4 > Electrical-Switch & Relay > Fuel Pump Cutoff Switch. Red with green stripe is switched by the headlamp switch and travels to the fuse box to provide power for the fused, red wires (parking and tail lights). We offer an extensive selection of top quality products especially catering to Fuel Pump Relay.' Fuse Box, late model (MGB! Once that wire has been found cut that wire so that you now have half of that wiring running to the fuel pump, and the ⦠Auto Mechanic: Hammer Time, L1 Master Technician replied 15 years ago. MGB FUEL PUMP BANJO HOSE AND BOLT PAIR INLET / OUTLET. On the roadster with the manual switch on the dash I have put the fuse on the back of the switch using spade connectors instead of bullets. MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from ⦠Voltage Regulators and Fuses Lighting Bulbs, LEDs and Sockets Harnesses T-Type Fuel Pump ... MGB Fuel Pump, genuine SU, Positive or Negative ground, 62-early 65: 1962-64-mgb rd-to-c44438 MG In Stock: 1: $199.95. This MGB is also still positive ground! From United States. FUEL PUMP ELECTRIC SUCTION HUCO 133010 ENGINE BAY FITMENT (Fits: MG MGB GT) 5 out of 5 stars (7) 7 product ratings - FUEL PUMP ELECTRIC SUCTION HUCO 133010 ENGINE BAY FITMENT. Top Rated Seller Top Rated Seller. Click & Collect. (Image by David Farrar on the MGOC Forum). £62.97 . SU AZX1307, AZX1318. I have a '69 MGB Roadster project car that I am slowly restoring. `Fuse box connections and colours for MGB GT 1972 7 5 3 1 8 6 4 2 All fuses are 17A current rated and 35A blow rated Terminal 1-2 = fuse A Terminal 3-4 = fuse B Terminal 5-6 = fuse C Terminal 7-8 = fuse D Note the heat damage to the pump wire on the left of the connector, insert the pump fuse ⦠I replaced the fuel pump but not getting fuel out of the tank to the carb-I have 4-5 gal of fuel in the tank 1 Answer. The later AZX1318 and AZX1307 units have inlet/outlet connections that are side-by-side (parallel) with âBanjoâ style connections. Quantity Quantity. Related Parts. Parts. MG MGB Technical MGB GT Fuel Pump not working BBS discussion at MG-Cars.net. The fuel pump makes an awful racket (tappity-tappity-tappity) constantly and I would like it to stop. I've always sort of figured the fuse block on my 73B roadster protected all the wires connected to it. 3 Posts . North American spec cars are wired differently as they have an inertia switch in the pump circuit, and the OD wiring is different, see the main text. However the fuel pump is still on the relay - not ideal if it sticks on! When I had a major overflow from one of the V8 carbs the close proximity of the two allowed me to cross-connect them so I could use the overdrive switch to turn the fuel pump on and off. Check the fuel pump fuse. or Best Offer . Category: Car. C $197.60. ET-105 - Turn signal RELAY (1500 only) test and function ... construction and OPERATION of the MGB FUEL GAUGE FG-102 - CALIBRATION of the MGA FUEL GAUGE FG-102-MGB - os - CALIBRATION of the MGB FUEL GAUGE FG-103 - special notes on FUEL GAUGE WIRING FG-104 - FUEL GAUGE TROUBLESHOOTING FG-105 - SOLDERING SMALL WIRES FG-110 - FUEL SENDER General Notes, MGA FG-110A - FUEL ⦠Even finding a low pressure fuel pump turned into a chore, most of the stores in the area catering to the big block V8 crowd. 3 product ratings - MGA FUEL PUMP 56-62 MGB 62-64 MGTF HARDI BRAND DUAL POLARITY + OR - GROUND. Intentionally blank: Intentionally blank: Related Parts. It is an inexpensive part and will save you a lot of headaches down the road. Welcome to our resource for MG Car Information. £134.75. I doubt that is the only reason though as that should mean things like fuel pump, overdrive and ignition would have been protected. MG-Cars.net. Answered in 3 hours by: 7/12/2005. The car runs nicely and there doesn't seem to be a problem with fuel delivery. Now the question goes from "how" to "why". I recommend replacing the fuse box outright if it looks old and corroded. Probable cause is failure or poor contact of the âGreen/Whiteâ fuse. At the wiring you need to find the 12v supply wire from the ECU to the fuel pump. Ask Your Own Car Question. Pull it out and inspect it for signs of failure. From United States +C $66.20 shipping. It also shows why fuses must be as near to the supply as possible. Electrical Repair Manual. Having a single fuse in the headlight supply *would* be a safety issue, which is why I recommend fitting individual filament fuses when installing headlight relays. Damage to the V8 rear harness inside the boot. Price: Alternate: No parts for vehicles in selected markets. Check in your owner's manual for the location of the fuse box, then find the fuse that corresponds to the fuel pump. You can take both the output wires into a new 4-way bullet connector and insert a fuse between the two 4-ways, but if one circuit blows the fuse it will stop the other working. Fuel Pump and Overdrive Fusing The bullet connector near the RHD pedal cover where the two white wires from the main harness join the white wire to the rear harness and the pump. or Best Offer. Damage runs all the way back through the rear harness and into the main harness, through that back to the ignition switch, and from there on the brown down to the solenoid. This pipe has a nut & olive at one end and is plain for a push on hose at the other). MG MGB Technical - Which circuits are fuse protected? The bullet connector near the RHD pedal cover where the two white wires from the main harness join the white wire to the rear harness and the pump. On 77 and later the white wires from the main harness are white/brown, also there is a fourth wire - also white/brown - which goes into the gearbox harness for the overdrive circuit. Where the white wires connect to the A3 terminal of the original fuse box, you could disconnect the wires for the fuel pump and ignition coil and reconnect them to two more fuses in the new fuse block, then having used 5 or 6 fuses at that location. (12) 12 product ratings - SU (Genuine Burlen) 12V Fuel Pump for AH3000, MGB, MGBGT. The steps of re-wiring your fuel pump are to first get to your fuel pumps wiring. V8 Pump and Overdrive fuses: They should be installed as close as possible to the supply where a unique wire can be accessed. Fuel Pump And Ignition Relay Mgb Gt Forum Mg Turn Signals Mgb Gt Forum Mg Experience Forums The Fuel Pump And Ignition Relay Mgb Gt Forum Mg Fuel Pump Installation Including Wiring Advice By Dan Masters Fuel Pump Installation Including Wiring Advice By Dan Masters 64 Mgb Wiring Diagram Schematics Online 1979 Mgb Fuel Pump Wiring Diagram 5 Wire Ignition Switch 1979 Mgb Fuel Pump ⦠Oct.77) Zenith ⦠), but again only the 'output' wire from the fuse is fused, the 'input' wire isn't. Fuel System Repair Manual. Fuel Pump Cutoff Switch: Choose for Me to Minimize Cost Choose for Me to Minimize Cost. Show Less. This thread was discussed between 25/04/2009 and 27/04/2009. Note the heat damage to the pump wire on the left of the connector, insert the pump fuse between this wire and the 4-way connector. I had to put the V8 overdrive fuse in the engine compartment as that was the first place I could use existing connectors as it has the manual switch on the column stalk with a multi-way plug connecting to the main harness. That is, both the wires coming off the back AND front of the block. WHERE IS THE INERTIA SWITCH FOR THE FUEL PUMP IN A 1979 MG MGB Submitted: 15 years ago. Notes: Use if earlier tank fitted (for use on 1977-80 rubber bumper cars fitted with an earlier type of fuel tank with a threaded fuel pick-up in the body of the tank not the fuel tank sender unit. I finally found this little Mr. Gasket Micro Electric Fuel Pump and for $40 and figured if I killed it at least it didnât cost much, itâs also specifically labelled as negative ground only. The electrically operated gauges (fuel, rev counter, water temperature and on 1968 â 72 MGBs the oil pressure) have been known to fail on occasion. The roadster is still using the original wire so presumably wasn't damaged too badly, the V8 has had a new wire run in (brown, the blue is a wire I added for the rear fog lights). Thanks Bill Chandler W Chandler: Not fused from the factory, but adding one is a good idea. Hi im new to this site so hello everyone, iv got a strange problem with my ZR 1.8 120 at the moment, the fuel pump fuse keeps blowing when i accelerate hard from stationary. My fuel pump does not work on 1977 MGB. Fuel Pump ⦠Share this conversation. MG Tech â MGB Fuel Pump Replacement. Hammer Time, L1 Master ⦠This brand new bek096 fuel pipe kit is suitable for all chrome bumper MGB's fitted with HS4 carburettors, and contains all of the pieces required to replace your complete fuel line, from the petrol tank right through to the carburettors. I seem to but be getting power to the pump but if I disconnect the line out of the pump no fuel comes out when I try to start. Here are a few checks on how you can pinpoint the causes. Pre-Owned. Click & Collect. Jun.80) Generator to Alternator Conversion tech day (Photos and notes) ... Late Model Fuel Pump Installation (CC-AMGBA Dec.87) Leaking Fuel Tank, '65 and later ("MGB" Mar.78) Leaking Tank Sender Unit; Runs Bad Without Air Cleaners (MGB! Any way to test for this? MGB Headlight relay kit 62-80 Item #: RELAY KIT1 Add a headlight relay to your MGB. Could this be due to a bad fuse? Fuel pumps Fuel tank & fittings Fuel lines 1962-1970 Fuel Lines 1971-1974 1/2 Fuel lines 1974 1/2 -1976 Fuel lines 1977-1980 Carbs, Cooling & Exhaust MGB Carb Cables 1962-1971 HS-4 carburetor 1962-1971 HS-4 manifold, air cleaner Print this page. Also it doesn't explain why North American spec cars only had one ignition relay wiring arrangement where the relay powered everything except the fuel pump, overdrive and ignition warning light. 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