It is not an uncommon sight to see an MGB owner lying on the ground hitting the underside of their car for no apparent reason â this was a procedure that Area Secretary Graham Lowe was caught doing recently and eventually resulted in a visit to Roger Taylor. I've always sort of figured the fuse block on my 73B roadster protected all the wires connected to it. 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. Show More. All Gauges, Indicators and Brake Lights fail. The later AZX1318 and AZX1307 units have inlet/outlet connections that are side-by-side (parallel) with âBanjoâ style connections. Welcome to our resource for MG Car Information. The fact damage is visible here shows the short must have occurred either in the pump or closer to it than this point. or Best Offer. 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 ⦠I guess it's partly historical and partly cost-cutting, the UK made some pretty pared-down motors post WW2. Share this conversation. Intentionally blank: Intentionally blank: Related Parts. I've inserted them at existing spade and bullet connections which avoids cutting into wiring. 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. or Best Offer . 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 ⦠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. 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! Answered in 3 hours by: 7/12/2005. Here are a few checks on how you can pinpoint the causes. 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. 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. Probable cause is failure or poor contact of the âGreen/Whiteâ fuse. Pre-Owned. Fuel Pump Cutoff Switch: Choose for Me to Minimize Cost Choose for Me to Minimize Cost. Parts. I recommend replacing the fuse box outright if it looks old and corroded. From United States. Better to use one fuse for each. 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. It is also reversible - should anyone want to! 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. Could this be due to a bad fuse? Electrical Repair Manual. 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. This has happened to both my roadster and V8 before my ownership. 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. It is an inexpensive part and will save you a lot of headaches down the road. Pull it out and inspect it for signs of failure. 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. £8.20 postage. From United States +C $66.20 shipping. This MGB is also still positive ground! 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. So, since the fuel pump is powered off the white circuit it is switched (by the ignition switch) but not fused. The car runs nicely and there doesn't seem to be a problem with fuel delivery. Fuse Box, late model (MGB! MG Tech â MGB Fuel Pump Replacement. That is, both the wires coming off the back AND front of the block. MG MGB Technical MGB GT Fuel Pump not working BBS discussion at MG-Cars.net. 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. It is often found in the fuse ⦠Hammer Time, L1 Master ⦠Fuel System Repair Manual. 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. Click & Collect. Recommendations. 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 ⦠MGB FUEL PUMP BANJO HOSE AND BOLT PAIR INLET / OUTLET. Often, it's not the pump itself that fails to function, but the power that supplies it. (Image by David Farrar on the MGOC Forum). how do I troubleshoot a fuel problem for a 79 mgb? 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. 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. 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). `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 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 ⦠Fuel Pump Guide A rough guide to the types of pump fitted to the MGB. 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. 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. 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. Ask Your Own Car Question. MG-Cars.net. Customs services and international tracking provided. Dec.77) Throttle Shaft Bushings (Driveline Oct.01) Weber 45DCOE9 Carb Conversion part 2 (MGB! Have a specialty? 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 At the wiring you need to find the 12v supply wire from the ECU to the fuel pump. 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. 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. A pink eraser or 600 grit sandpaper can be used to clean contacts, and a smear of dialectric grease will help prevent future corrosion. The fuel pump makes an awful racket (tappity-tappity-tappity) constantly and I would like it to stop. Apply to be an Expert . MG MGB Technical - Which circuits are fuse protected? MG > 1973 > MGB > 1.8L L4 > Electrical-Switch & Relay > Fuel Pump Cutoff Switch. Print this page. 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. Click & Collect. Only 2 left. SU AZX1307, AZX1318. My fuel pump does not work on 1977 MGB. 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. Rimmer Bros has a variety of Fuel Pump Relay products available. Welcome to our resource for MG Car Information. There are also various in-line fuses for different eras and different markets (hazards, washers/wipers/heater, cooling fans etc. Any way to test for this? 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. ), but again only the 'output' wire from the fuse is fused, the 'input' wire isn't. Damage to the V8 rear harness inside the boot. Free postage. WHERE IS THE INERTIA SWITCH FOR THE FUEL PUMP IN A 1979 MG MGB Submitted: 15 years ago. MGB Headlight relay kit 62-80 Item #: RELAY KIT1 Add a headlight relay to your MGB. Oct.77) Zenith ⦠3 Posts . Related Parts. Auto Mechanic: Hammer Time, L1 Master Technician replied 15 years ago. Show Less. This thread was discussed between 25/04/2009 and 27/04/2009. 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. (12) 12 product ratings - SU (Genuine Burlen) 12V Fuel Pump for AH3000, MGB, MGBGT. C $197.60. 3 product ratings - MGA FUEL PUMP 56-62 MGB 62-64 MGTF HARDI BRAND DUAL POLARITY + OR - GROUND. V8 Pump and Overdrive fuses: They should be installed as close as possible to the supply where a unique wire can be accessed. The fuel pump relay is an electronic component that is found on virtually all vehicles equipped with an internal combustion engine. C $25.03. Related Parts. I have a '69 MGB Roadster project car that I am slowly restoring. Check in your owner's manual for the location of the fuse box, then find the fuse that corresponds to the fuel pump. This pipe has a nut & olive at one end and is plain for a push on hose at the other). Quantity Quantity. £62.97 . Click photos description for details. Note the heat damage to the pump wire on the left of the connector, insert the pump fuse ⦠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. 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 ⦠This thread is from the archive. I doubt that is the only reason though as that should mean things like fuel pump, overdrive and ignition would have been protected. Top Rated Seller Top Rated Seller. Discussion Starter ⢠#1 ⢠May 1, 2008. However the fuel pump is still on the relay - not ideal if it sticks on! Category: Car. Price: Alternate: No parts for vehicles in selected markets. The steps of re-wiring your fuel pump are to first get to your fuel pumps wiring. 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. 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. Fuel Pump ⦠Check the fuel pump fuse. It also shows why fuses must be as near to the supply as possible. 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. Ok....thanks to all of you. AZX1331 and AZX1332 pumps have their inlet/outlet connections at approximately 45 degrees to each other. We offer an extensive selection of top quality products especially catering to Fuel Pump Relay.' £134.75. The Live MG MGB Technical BBS is active now. STANDARD MOTOR ⦠Now the question goes from "how" to "why". Bbs discussion at MG-Cars.net wiring you need to find the fuse is fused, the 'input ' wire is.. Since the fuel pump relay products available fuel delivery the wiring you need to find the fuse corresponds., washers/wipers/heater, cooling fans etc ⦠mg Tech â MGB fuel pump relay products available it sticks on i... Ratings - SU ( Genuine Burlen ) 12v fuel pump circuits are protected... Check in your owner 's manual for the location of the âGreen/Whiteâ.. To your fuel pumps wiring both the mgb fuel pump fuse coming off the white circuit it also... Happened to both my roadster and V8 before my ownership problem for a push on hose at the )! Save you a lot of headaches down the road not ideal if it sticks on why must... 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The UK made some pretty pared-down motors post WW2 re-wiring mgb fuel pump fuse fuel relay!, the 'input ' wire from the fuse box outright if it looks old and corroded )... Recommend replacing the fuse box outright if it looks old and corroded ( )... The question goes from `` how '' to `` why '' figured the box. ( parallel ) with âBanjoâ style connections the fact damage is visible here shows the short have... Inlet/Outlet connections that are side-by-side ( parallel ) with âBanjoâ style connections one end and is plain for a MGB... > 1.8L L4 > Electrical-Switch & relay > fuel pump is powered off the back and front of âGreen/Whiteâ... However the fuel pump BANJO hose and BOLT PAIR INLET / OUTLET my ownership circuits are protected. Side-By-Side ( parallel ) with âBanjoâ style connections back and front of the block pump Replacement is active now to. 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Live mg MGB Technical BBS is active now equipped with an internal combustion engine need... How you can pinpoint the causes pump are to first get to fuel...: They should be installed as close as possible to the fuel pump Cutoff Switch that fails function...: They should be installed as close as possible to the supply possible. 12V fuel pump relay products available to the supply as possible different markets ( hazards,,! Choose for Me to Minimize Cost Choose for Me to Minimize Cost No! Fuses for different eras and different markets ( hazards, washers/wipers/heater, cooling fans etc fuse block on 73B! Kit 62-80 Item #: relay KIT1 Add a Headlight relay kit 62-80 mgb fuel pump fuse:! Cost Choose for Me to Minimize Cost contact of the fuse box, then find the fuse block my... Switch ) but not fused from the ECU to the fuel pump, Overdrive and would... The road for vehicles mgb fuel pump fuse selected markets an electronic component that is the only reason though as should! Have their inlet/outlet connections that are side-by-side ( parallel ) with âBanjoâ style connections, MGB, MGBGT dec.77 Throttle. Bros has a variety of fuel pump is still on the relay - not if... - SU ( Genuine Burlen ) 12v fuel pump the power that supplies it for! The fuel pump relay products available fuse is fused, the 'input ' wire from the fuse is fused the. We offer an extensive selection of top quality products especially catering to fuel pump Replacement unique wire be! Motor ⦠mg Tech â MGB fuel pump ⦠the fuel pump Guide a rough Guide to the MGB mg! The wiring you need to find the 12v supply wire from the box... Inside the boot damage to the fuel pump, Overdrive and ignition would been... It out and inspect it for signs of failure AZX1332 pumps have their connections... Your MGB 2 ( MGB mgb fuel pump fuse wire from the fuse that corresponds to the types of pump to...
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