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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Some wacky stuff

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Old Feb 22, 2021 | 04:58 PM
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Some wacky stuff

I have a 1983 Ford F-150 351 Windsor, when I start it up and let it warm up, when it hits it operating tempature everything flickers, lights, dash lights, etc. just seems to do it when it’s running or at running tempature. Any ideas?
 
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Old Feb 22, 2021 | 05:09 PM
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Whacky

Make sure that the ground wire from the engine is connected to the body. The best way is to ground everything, battery to engine, frame body and the bed. You cannot have enough grounds.
And of course inspect all positive cables attached to the solenoid, alternator and where the under hood harness connects to the body.
 
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Old Feb 22, 2021 | 06:57 PM
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If all the lights blink in rhythm, check the connections on the alternator and make sure the regulator has a good ground under one of the mounting bolts.
 
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