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#1
03-29-2004, 08:21 PM
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Positive or negative switching?
Hi guys,
For my my thread titled: Help needed (http://www.automotiveforums.com/vbul...ead.php?t=4164), I need to know if the GMC Sierra 1992 does use positive or negative switching? 
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#2
03-30-2004, 02:55 AM
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Re: Positive or negative switching?
i assume your talking about the headlights and taillights. both are positive switching. taillights work off the small brown wire at the switch. if i remember right the lowbeam headlights are light green and the highbeams are dark green but i could be wrong. have fun
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