Help! Mustang wont start!

MustangLover71 · 05-30-2004, 02:27 PM

well, we are thinking now that we may need to replace the ECC relay. Looks like it will be tough to get to, we'll have to take the computer out to reach it.

It was odd to us that the new fuel pump relay actually started to make the pump sound funny (well different anyway), maybe we bought a bad relay (it was new). So we put the old fuel pump relay back in.

So now we think that this will either be a ECC relay problem, a bad computer, or the actual fuel pump. The fuel pump is the only thing out of the 3 that is less than a year old. It appears to be priming fine. Car still cranks but wont turn over. Can still hear fuel rushing at rail. Chech engine light is dim until we try to crank the car, then it brightens up.

We have access to a voltmeter today, anyone have some suggestions about testing the pump or relays with it?

Someone also suggested to us to check the fusable link, where is it and how would we do that? Would that cause a crank but no start?

Please keep in mind that we dont know much about cars or wiring here. We just want to know if there is a simple way to check these components for power.

Thanks for your help.
Mustang hasnt run in 9 days and counting......

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05-30-2004, 02:27 PM	#24
MustangLover71 Registered Member Join Date: May 2004 Location: Atlanta, GA Posts: 24	well, we are thinking now that we may need to replace the ECC relay. Looks like it will be tough to get to, we'll have to take the computer out to reach it. It was odd to us that the new fuel pump relay actually started to make the pump sound funny (well different anyway), maybe we bought a bad relay (it was new). So we put the old fuel pump relay back in. So now we think that this will either be a ECC relay problem, a bad computer, or the actual fuel pump. The fuel pump is the only thing out of the 3 that is less than a year old. It appears to be priming fine. Car still cranks but wont turn over. Can still hear fuel rushing at rail. Chech engine light is dim until we try to crank the car, then it brightens up. We have access to a voltmeter today, anyone have some suggestions about testing the pump or relays with it? Someone also suggested to us to check the fusable link, where is it and how would we do that? Would that cause a crank but no start? Please keep in mind that we dont know much about cars or wiring here. We just want to know if there is a simple way to check these components for power. Thanks for your help. Mustang hasnt run in 9 days and counting......