Thread: Wiring diagram.
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Old March 18th, 2022, 12:15 PM
casyjones casyjones is offline
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Join Date: Apr 2021
Location: Letcombe Regis Oxfordshire UK
Truck: 1960 GMC 1000 Stepside
Age: 62
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Default Wiring diagram.

Hi there,
my generator light started flickering occasionally so I changed the brushes as a matter of course. Now the generator light stays on all the time.!
The generator is working fine,putting out about 14 volts but, only registers .2 of a volt increase at the battery. (battery is new)
It has a ground cable from the - terminal to the generator adjustment slide on the block end, I have also put a ground cable from the block to the chassis, no change.
The regulator has been replaced at some time and looks nice and clean inside but, none of the points appear to be doing anything.
My next step is to go through the loom to try and locate any broken wires or bad grounds.Unless anybody can point me in another direction .
Does anyone have a link to a printable wiring diagram for a 1960 1000? ( Color would be a bonus!)
Thanks,
Andy.

Last edited by casyjones; March 18th, 2022 at 12:19 PM. Reason: spelling mistake
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