glow plugs on GQ
Submitted: Wednesday, Aug 10, 2011 at 15:57
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Gossy
I'm having an issue where on an ad-hoc basis my glow plugs don't work hence the car is a nightmare to start.
Major work just done on the car so glow plugs all new etc so I suspect it's electrical. Apart from the box hidden under the metal lid next to the battery is there any thing else I should look at?
I suspect if I can't fix this it would be an auto electrician job rather than mechanic? Interested to know if anyone else has had the same problem.
Reply By: gq89 - Wednesday, Aug 10, 2011 at 17:49
Wednesday, Aug 10, 2011 at 17:49
looks like there is a glow relay and a glow control unit. One is located next to the battery under the metal cover and the other is under the driver's side kick panel. The control unit manages the relay. You might want to search on patrol4x4.com under the GQ section. If you can fault find it yourself it should not be too difficult but if not an autoelec rather than a mechanic.
AnswerID:
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Follow Up By: Gossy - Thursday, Aug 11, 2011 at 09:01
Thursday, Aug 11, 2011 at 09:01
this happened a couple of years ago but the problem went away. It's more common now but maybe 1 in every 5 starts so is getting worse.
Last time I did look at the box inside the car but hard to fault find because I wasn't sure if it was 'broken' at that moment. I'll replace the box next to the battery and see what happens.
Thanks for the
feedback.
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Follow Up By: gq89 - Thursday, Aug 11, 2011 at 17:48
Thursday, Aug 11, 2011 at 17:48
this link might help
http://www.patrol4x4.com/forum/auto-electrical-37/glow-plug-light-staying-68579/
I understand the control unit can be problematic. You might pick one up from the wreckers. Not to discount the relay but my money would be on the control unit if I had to guess. my son connected a switch to the input to the relay, effectively bypassing the control unit. He would hit the switch for a couple of seconds and then fire it up. Worked great.
finally the control unit takes an input from the temperature sensor so don't discount that connection.
cheers
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Follow Up By: Gossy - Friday, Aug 12, 2011 at 09:53
Friday, Aug 12, 2011 at 09:53
excellent info. Thanks for that.
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Reply By: Gossy - Monday, Aug 15, 2011 at 10:09
Monday, Aug 15, 2011 at 10:09
For $160 I can get an auto electrician rewire for a manual switch eliminating all the fancy electronics! Less reliance on technology the better so this is the way I'll go.
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