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Old 10-06-2013, 12:39 AM   #1
Greenlee
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What is this wire/plug...

My wiring harness came from a 1989 Suburban. This was unplugged in the Suburban. I started to remove it. I removed some wiring related to an alarm, but this appeared to be factory so I left it in there. It's combined with the head light harness. Anyone know what it is?



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Old 10-06-2013, 08:43 AM   #2
gmachinz
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Re: What is this wire/plug...

Doesn't the relay for the electric fuel pump that mounts on the firewall?
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Old 10-06-2013, 09:38 AM   #3
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Re: What is this wire/plug...

No, the fuel pump relay is on the firewall on the other side and is working fine. I have been wondering what this is for a couple of years now.
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Old 10-06-2013, 05:35 PM   #4
BONUSCAB
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Re: What is this wire/plug...

I think that is for a daytime running lamps relay for Canadian models.
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Old 10-06-2013, 06:59 PM   #5
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Re: What is this wire/plug...

Quote:
Originally Posted by BONUSCAB View Post
I think that is for a daytime running lamps relay for Canadian models.
Ah, that makes sense! Thank you Bonuscab!
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Old 10-07-2013, 04:55 PM   #6
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Re: What is this wire/plug...

Or for the auxiliary cooling fan that they put on heavy duty models.
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