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

Glowplug Relay

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  #1  
Old 06-18-2008, 12:14 PM
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Default Glowplug Relay

how hard is it to change the relay. my buddy`s is dying. and only starting half the time.

if he drives it. stops for 20 minits. it wont start. no glowpug wait to start light, no clicking.
any idea that may come across to?

thanks Q
 
  #2  
Old 06-18-2008, 12:23 PM
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Sounds like a dead controller. But to check the relay, run a jumper to one of the small terminals. If it clicks, relay is good, controller is shot. If it doesn't, relay is bad. If the controller is bad can either replace the controller, or run a momentary switch. Controller is a temp sensor to tell the relay to kick in, if coolant temp isn't sufficient enough. Mind if I ask what year truck?
 

Last edited by wildbill; 06-18-2008 at 12:26 PM.
  #3  
Old 06-18-2008, 07:08 PM
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Default sorry its a 83

Sounds about right. Ill check it this weekend. Or tomarrow if I get time.

Ill keep you posted.

Many thanks Q
 
  #4  
Old 06-22-2008, 05:48 PM
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well looks like the problem took care of itself yesturday. somr domb unlicensed girl driving daddies suv hit my buddy. he's done desaling with his truck. he might get a blazer or somthing smaller. he might fix it. but we dont know.
ill post pics.
 
  #5  
Old 06-22-2008, 06:21 PM
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Ain't that a bit**!
 
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