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Alternative 12V Key on Power Supply

502 views 0 replies 1 participant last post by  The3Park 
#1 ·
Hi, im in the middle of wiring up some ISSPRO gauges for my 08 6.4 and Im currently stuck because I cant seem to find another 12v key on power source under the dash, drivers side on the "customer access bundle". I currently though have an HS mini maxx tapped onto the purple/violet wire that works just fine. Can I run my gauges off that purple wire or could that interfere and maybe cause a voltage drop? Anyone have any thoughts or ideas? Ive tried using a DC volt meter and havent had any luck testing wires with the key on. Should I be using a test lamp lamp for this? Thank you.
 
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