littleratsunlife82 Posted July 23, 2016 Report Share Posted July 23, 2016 So i have an 82 datsun 720 and i am trying to hook up an aftermarket radio system and i cant find out which wire is the power and which one is the ground can i have some help i am left with a black wire with a blue stripe, and a solid brown wire butni cant find out which one connects to what 1 Quote Link to comment
Lockleaf Posted July 23, 2016 Report Share Posted July 23, 2016 Black/blue is radio ground. Brown is switched 12v from the ignition switch. 1 Quote Link to comment
Charlie69 Posted July 23, 2016 Report Share Posted July 23, 2016 Already answered Quote Link to comment
littleratsunlife82 Posted July 23, 2016 Author Report Share Posted July 23, 2016 Ok thanks and do i need to extend the yellow constant power wire to the battery? 1 Quote Link to comment
Lockleaf Posted July 23, 2016 Report Share Posted July 23, 2016 According to my info, constant 12v should be red/blue. It should already be wired in. Quote Link to comment
datzenmike Posted July 23, 2016 Report Share Posted July 23, 2016 Red/Blue is illumination only on with headlights... parking lights actually. There is nothing that is hot at all times. If you need something wire it to the clock supply... Green wire Quote Link to comment
Lockleaf Posted July 23, 2016 Report Share Posted July 23, 2016 Red/Blue is illumination only on with headlights... parking lights actually. There is nothing that is hot at all times. If you need something wire it to the clock supply... Green wire This is correct now that I'm reading an FSM. But I have a red/blu in my radio harness that is constant live... Great. Another elecrical question for my wiring swap Quote Link to comment
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