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Old 08-17-2012, 01:04   #1 (permalink)
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91 TBird - Constant low hum drains battery

(*Disclaimer, I am car-tarded and some of the simpler & more obvious solutions or cues can be missed by me. Thanks for understanding.)

Sometimes after I turn the car off there is a constant low hum noise coming from the low rear center part of the engine. I have been able to get that hum to stop by turning the ignition but not starting the car, then off again. Sometimes that doesn't work & I have to turn the ignition back beyond the off position and then back to off to get it to stop. If I leave the car humming, I find a dead battery by morning.

A couple of ideas my Dad has thought of are - Starter solenoid or the regulator?
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Old 08-17-2012, 01:55   #2 (permalink)
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Re: 91 TBird - Constant low hum drains battery

It sounds like the fuel pump solenoid is sticking. Find the relay and next time try pulling it to see if it stops.
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