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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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Old 02-06-2007, 09:47 AM
mountainbiker mountainbiker is offline
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Default Where does the 12v red wire from the hitch go into the engine compartment?

I am trying to trace the 12-volt red wire from the trailer hitch to see where it comes into the engine compartment. It is suppose to come out on the driver's side where most of the cable looms are between the master cylinder and battery.

Can you refer me to the page in the Helm manual or a happy snap that might show it?
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Old 02-08-2007, 05:21 AM
pdsq99f4 pdsq99f4 is offline
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Default Re: Where does the 12v red wire from the hitch go into the engine compartment?

Behind the battery there are 3 connectors right by eachother. The one you want is the larger one with 16cavities. From there it runs into the fuse block to fuse 84.
Hope this helps.
Pete
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Old 02-08-2007, 07:00 AM
HummBebe HummBebe is offline
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Default Re: Where does the 12v red wire from the hitch go into the engine compartment?

Pete,

Where have you been all my life ???
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Old 02-08-2007, 11:01 PM
RubHer Yellow Ducky's Avatar
RubHer Yellow Ducky RubHer Yellow Ducky is offline
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Default Re: Where does the 12v red wire from the hitch go into the engine compartment?

Quote:
Originally Posted by HummBebe
Pete,

Where have you been all my life ???

I notice I have been relegated to oblivion again.

BUT

I still pledge my loyality...

RYD
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REMEMBER
History, be it in 1 Year, 10 Years, a Hundred Years or One Thousand, will show that those people who voted for John McCain in the United States Presidental Election of 2008 were true patriots...
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Old 02-09-2007, 06:28 AM
HummBebe HummBebe is offline
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Default Re: Where does the 12v red wire from the hitch go into the engine compartment?

Sorry RYD....It's Black History month, so Sewie is getting top billing until March 1.....

Last edited by HummBebe : 02-09-2007 at 06:32 AM.
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Old 02-09-2007, 11:04 PM
mountainbiker mountainbiker is offline
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Default Re: Where does the 12v red wire from the hitch go into the engine compartment?

Quote:
Originally Posted by pdsq99f4
Behind the battery there are 3 connectors right by each other. The one you want is the larger one with 16cavities. From there it runs into the fuse block to fuse 84.
Hope this helps.
Pete

I am assuming it is this wire loom. There appears to be at least two reds.








Last edited by mountainbiker : 02-09-2007 at 11:07 PM.
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Old 02-10-2007, 12:37 AM
pdsq99f4 pdsq99f4 is offline
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Default Re: Where does the 12v red wire from the hitch go into the engine compartment?

It's that large red wire in cavity 8. The smaller wire is actually orange. You can always use a cheap test light to see if it always has power on it to be sure it's the right wire.
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Old 02-10-2007, 12:55 AM
mountainbiker mountainbiker is offline
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Default Re: Where does the 12v red wire from the hitch go into the engine compartment?

Quote:
Originally Posted by pdsq99f4
It's that large red wire in cavity 8. The smaller wire is actually orange. You can always use a cheap test light to see if it always has power on it to be sure it's the right wire.
Thank you for your help.
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