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2007 gmc envoy_denali
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396 Posts
Discussion Starter · #1 ·
hi guys

on our map sensor there is 3 wires , one for signal ,one for ground and one for 5V ,, the Q how i should know them the 3 colours are grey , orange , and green which one is the 5 v i need it to connect the 2 bar sensor to read the boost
 

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2004 gmc
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26,181 Posts
I could look it up in the shop manual, but really - don't you have a meter?

The one for ground will have about ZERO volts on it.
The one for the sensor output will have between ZERO and FIVE volts on it.
The one for five volts will have FIVE VOLTS on it.

Are you sure you're ready to be boosting it?
 

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2007 gmc envoy_denali
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396 Posts
Discussion Starter · #3 ·
thanks alot man i will try it today

inshala it will help
 
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