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ford van fuel pump Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting Guest Anonymous Poster jph@lcsys.net Sep 12, 2006, 7:10 PM Post #1 of 4 (3775 views) ford van fuel pump Sign In 1987 Ford E150 van 302cid, dual tanks. no power to main fuel pump up under driver seat in frame rail. Changed fuel pump relay, no power to fuel pump, power is to switch part of relay but not to coil part also engine relay which is part of ckt has power to coil part of relay but not switch part of relay. fuel pump will pump if 12 volts is hooked directly to fuel pump. where do I check to see what wire supplies power to relays. wire is good from relay to pump. Thank you for any advice DanD Veteran / Moderator Sep 13, 2006, 11:11 AM Post #2 of 4 (3768 views) Re: ford van fuel pump Sign In Check the two white fuse links at the starter relay on the inner fender. One will be connected to the EEC relay via a black yellow wire. And the other goes to the fuel pump relay via a black red wire. Both wires should have source voltage on them all the time. The EEC relay supplies power to the fuel pump relay’s pull in coil via the red wire. The EEC relay also powers up the ignition system; do you have spark? If not, suspect the EEC relay or its connector for a corroded wire. Dan. Canadian "EH" Guest Anonymous Poster jph@lcsys.net Sep 13, 2006, 3:43 PM Post #3 of 4 (3763 views) Re: ford van fuel pump Sign In [ Dan You were right on the money with the fuse links. The one that supplied the red and black wire was caput. For testing purposing I hooked up a wire from starter relay to red and black wire. the old buggy fired right up after a couple of cranks. I didn't realize that there was only power at the pump only when you first turn the key on..Is this the correct sequence for the fuel system. Again I thank you very much for your response> DanD Veteran / Moderator Sep 13, 2006, 4:45 PM Post #4 of 4 (3760 views) Re: ford van fuel pump Sign In No problem, glad I was of some help. When you make your permanent repair make sure you use a fusible link. Something burnt out the original and you don’t want to take a chance of putting a solid piece of wire there, just in case whatever burnt the first out does it again. It may have been a fluke and never happen again but don’t take the chance. You can make your own link by using a two to three inch section of wire at least two wire sizes smaller of wire smaller then the wire in the circuit you’re protecting. So if the wire or the circuit you’re protecting were a 12-gauge wire you would want to use a piece of 14-gauge wire as a fusible link. Man that's a mouth full. LOL Dan. Canadian "EH"   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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