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Installing some kc hi lites on a 03 sahara tj. first two rocker switches are for rear windshield spray, then the wiper, the third blank switch has a wire connector in it not connected to anything. Any idea what this controls?
 

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Have seen this question a couple times---and not going to say chase a thread etc--not smart enough---I just remember that basically it was explained they used one wiring harness----- if you had a rear wiper the switch was added, defrost switch added, lockers switch added, lockers switch added, fog lights switch added.

Now that doesn't mean that the whole rest of the harness has the complete wire run, but the wiring inside the cab is there......or so I have been told.

my '04 sport has 2 plugs behind the dummy plugs no clue what they are for.
 
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