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Old 11-06-2012, 06:53 PM   #4
Katoom119 OP
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Joined: Jun 2007
Location: Knoxville, TN
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Quote:
Originally Posted by spafxer View Post
Hard to say what voltage since it goes into the ECU.

Get out your voltmeter, unplug your existing connection and read across the 2 wires.. Then find out what the Led's need to operate.. Voila!
I knew this but I didn't want to cut the switch out that I've already installed and was hoping someone knew off the top of their head.


Quote:
Originally Posted by tahoeacr View Post
Doubt you will find voltage. Most ECU's look for a ground to switch maps.
Makes sense. Ground for one map, no ground (no circuit) for the other. K.I.S.S.

On top of this I've realized that if there was a voltage running through the wire that the LED would always be on unless I had a DPST switch or something like that. Electrical circuits weren't my physics professor's strong point when he was teaching us.


Thanks guys!
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