grid heater not working?
#1
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Join Date: Aug 2006
Location: Lacombe,Alberta
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grid heater not working?
Hi again,I went to go fire up the truck this morning and my "wait to start" light and buzzer never came on.It's -25 deg. celcuis,but I had to go to work.So my truck struggled to get going,I noticed something wierd;when my wipers came on my radio would quit for a second?
I ran the truck all day with no problems.
My questions are did I melt a fusiable link,relay,or solenoid? The previous owner looks like he had done some splicing around the solenoids?
I was already in the "sticky" to get as much info before freezin my edit off today with a test lite.There was no "check engine" lite?
any advice?
I ran the truck all day with no problems.
My questions are did I melt a fusiable link,relay,or solenoid? The previous owner looks like he had done some splicing around the solenoids?
I was already in the "sticky" to get as much info before freezin my edit off today with a test lite.There was no "check engine" lite?
any advice?
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I still think something may be wrong...I usually get a "wait to start" all the time.ever in summer.
it was a real bear to start,I'm sure i didn't do it any good?
it was a real bear to start,I'm sure i didn't do it any good?
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#8
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That's weird. The bulb check should work even if the IAT sensor is bad, and if the whole PCM was dead then the truck shouldn't charge. I can't say I'm sure what the problem is. I'd start by checking the IAT sensor (right behind the grid heater). If it's an open circuit or a dead short, it's bad. The resistance should change with temperature.
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