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Old 09-05-2010, 11:47 AM   #1
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Hardtop Wiring Harness to Aux Lights

I have a 2005 TJ Sport to which I sold the hardtop for. Anyone have any wiring advise for running a set of aux lights on the rear bumper through the old wiring harness?

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Old 09-05-2010, 02:34 PM   #2
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Are you referring to the wiring harness for the rear wiper?

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Old 09-05-2010, 04:31 PM   #3
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Yeah, the one that the rear wiper and defroster hooks into.
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Old 09-05-2010, 07:33 PM   #4
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Not sure what kinda amps the wiper draws, but I'd think less than a set of lights would.
Probably best to use the power wire for the wiper to activate a solenoid and run a power wire for the lights to the battery.
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Old 09-06-2010, 11:04 AM   #5
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Well, the rear wiper is hooked up to a 20 amp fuse. I was gonna start checking the wire gauges today to see what the max amperage i could send through them would be. Would it just be easier run new electrical back to the lights rather than messing around with the harness?
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Old 09-06-2010, 11:48 AM   #6
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Remember the wiper is on an intermittent circuit. So you want flashing lights?

You'd be better off running a proper relay circuit. Most lights will come with the relay and switch.
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Old 09-06-2010, 07:21 PM   #7
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I didn't even think of that, thank you sir. Any suggestions on a set that would attach to the spare tire (around the lugs)?
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Old 09-06-2010, 08:23 PM   #8
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Hmmm, my rear wiper doesn't have a delay ('04 Unlimited). Wish it would.

This is how I hooked up some aux light in the rear....

Wired to a relay and powered from the battery....



And the difference .....

Stock



W/ aux lights




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