Trailer towing package question
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Trailer towing package question - 7/25/2007 2:12:41 PM
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Suburbman
Posts: 12
Joined: 7/25/2007
Status: offline
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Hello all,
Newbie here. Just picked up an '03 Z71 Suburban. We bought it mainly for towing our pop-up camper. Before I go out and buy a trailer brake controller, I was wondering if anyone can elaborate on a statement from the owner's manual related to a wiring harness adapter available from the dealer:
If your trailer is equipped with electronic brakes, you can get a jumper harness (electric trailer brake control) with a trailer battery feed fuse from your dealer. This harness and fuse should be installed by your dealer or a qualified service center.
My question is: will this harness provide a voltage output to my trailer brakes? Anyone know the part number for this or can point me in the right direction? Thanks much!
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RE: Trailer towing package question - 7/25/2007 3:46:57 PM
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ZX1100F1
Posts: 2433
Joined: 8/1/2006
Status: offline
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The harness/adaptor has a white plastic connector on one end that plugs into the vehicles wire harness block underneath the dash the other end has bare wires (with butt connectors) that are crimped to the wires on your brake controller.
The adaptor simply makes for easy brake controller installation.
Your dealer will have the correct one for your Suburban it is P/N 15085418
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RE: Trailer towing package question - 7/26/2007 3:29:51 AM
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Suburbman
Posts: 12
Joined: 7/25/2007
Status: offline
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As I suspected....Thank you ZX!
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RE: Trailer towing package question (one more question ... - 7/30/2007 12:09:40 PM
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Suburbman
Posts: 12
Joined: 7/25/2007
Status: offline
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Does this harness also provide a seperate connection for a 12v feed to a trailer auxilliary feed? As in to a pop-up camper's battery? Does it also come with a connection diagram (as in where to connect)?
The reason I am asking is also in the owner's manual statement:
jumper harness (electric trailer brake control)with a trailer battery feed fuse from your dealer All of the brake controller webpages that I have looked at do not mention such a feed if you buy their harness/adapters nor does the GM parts webpage that I plugged that part number in that you gave me. Thanks again for your help in clarifying this for me.
_____________________________
'03 Sub, Z71
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RE: Trailer towing package question (one more question ... - 8/6/2007 8:33:15 PM
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vf171
Posts: 41
Joined: 5/24/2007
Status: offline
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I might be wrong about this but I think that 12v feed to the battery is for the brakes only. I think some trailers w/ electric brakes have an additional module that powers the brakes in the event of a disconnect. Since the tow vehicle would no longer be supplying power to the brakes the module detects the disconnect and applies full voltage to the brakes to bring the run-away trailer to a stop.
I might be seriously confused about that though. If so I'm sure others will point it out and correct me.
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