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SnowDrift

Fuel pump resistor/relay question

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On my '99 GTP, it would start, then die after running a few seconds.  I could repeat the process as much as I wanted, but it continued to do the same thing.  Suspecting the relay, under the hood, I removed the relay closest to the fender, which I believe is part of controlling the 2 speed pump.  I bent the #85 tab back and plugged back in.  The car started fine and I drove home.  I understand the resistor can be problematic, so does the resistor cause the relay to fail or would the resistor fail on its own? 

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The relay isn't the failure point, the resistor is. You can either get a new resistor, or just bypass it altogether (like it is now) and run it in high speed mode all the time. Re-wire kits like the Racetronix and Casper's just have a jumper and run it full speed 24/7.

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Pick up a roll of 14ga wire and just re-wire it yourself. The factory wire is too small anyway.

If you have a trunk mount battery you can use the factory to enable a relay back there and do a really nice rewire.

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On 10/2/2018 at 9:24 AM, digitaloutsider said:

The relay isn't the failure point, the resistor is. You can either get a new resistor, or just bypass it altogether (like it is now) and run it in high speed mode all the time. Re-wire kits like the Racetronix and Casper's just have a jumper and run it full speed 24/7.

You guys told me that would burn the pump up faster and to just replace the resistor.

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