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Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

83 6.2 Glow Plug Relay

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Old Jan 8, 2014 | 08:18 PM
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DieselCowgirl4x4's Avatar
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Diesel Fan
Joined: Jun 2013
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Default 83 6.2 Glow Plug Relay
Bought a new relay. Truck still doesn't start. If you bypass the relay it starts. Any ideas?
 
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Old Jan 8, 2014 | 08:40 PM
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cviola2005's Avatar
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From: Clarkrange, TN
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How are you bypassing the relay? screwdriver between relay posts?
 
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Old Jan 9, 2014 | 11:32 AM
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From: Scugog Island ONT.
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IIRC
There should be a temp switch on the back of the passenger side cylinder head.

It controls the relay so check it and it's wiring.
 
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Old Jan 9, 2014 | 03:46 PM
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cviola2005's Avatar
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From: Clarkrange, TN
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Good call Racer, I forgot all about that sensor.

Cowgirl, I second that ^
 
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