I searched and i didnt find much on it.  I know the basics of hooking up gauges but this one has me confused.  I bought it from a fellow org member a while ago and finally decided to install while i was redoing my gauges for my air ride.  anyway it came w/ no instructions so i thought no big deal.  well i flip the gauge over to look at the wires and theres 4 wires.  white (obvious is the light wire), black (the ground wire) and 2  light blue wires.  i thought it would only be 3 wires and that the one blue wire would just connect to a 12v source but im confused on why there are 2 light blue wires.  i looked up on autometers site and i didnt find anything for that particular gauge.  its an autometer pro-comp ultra-lite.  if anyone can help it would be appericated.
 
 
i think my glowshift volt gauge had 4 wires.  one was switched 12v source to power the gauge, one was ground, one was something that came on with the lights, and i want to say the other one was also a 12v source, which was the one that it read the voltage from.   at least thats how i think it went.  i'm sure none of this is helpful, but it might give you an idea or lead you in the right direction
 
 
yea i thought it might be something like that but i just dont see why it couldnt of been just one wire like the usual are
 
 
baggedcav: i have the Z-series volt gauge installed in my car when i get home today i will look at it but i believe i have for wures on mine, white-lights, black(light wire)-ground, black(guage)-ground, and then i have a red hooked to the terminal tapped into the wiper fuse circuit so its on switched power!
maybe that helps i dont know? NEXT thing would be get out a small batter and test it, lol
click the sig...
Who needs a sig?
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is one of them dimmer wire?
 
 
i dont know its hard to tell, there isnt anything marked on the back of the gauge showing what it could be so i might have to either test it out on a battery myself or call up autometer and ask them
 
 
if its autometer , email them 
just get the # from the face of the gauge 
ive always gotten fast replies when ive emailed them about questions
 
 
 
i stopped being lazy and just tried to put the wires to the battery and i figured out what is what.  one of them is a ground for the gauge and one is the power
 
 
holy shyte...
you Don't know everything?
lol
hope everythin works out
 
 
i know a good amount (minus performance) but that extra wire threw me off and the fact it was the same color as the other one had me confused