Questions & Answers

Evo-all installed on a 04 Hummer H2. On the 20 pin connector. What color wire is connected to a constant 12v?

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04 Hummer H2, installing a pke with push start button and the evo all. While trying to program the evo box. I follow the instructions to push the button on the evo while connecting the 4 pin connector. I wait till led blue light is lit. Release the button. Connect the 20 pin connector to the evo.  Turn the Hummer key to the on position. According to the ins traction, the blue led light is supposed to start flashing. There is my problem. I was told to make sure the 20 pin connector black wire is grounded to chassis and the red/blue wire is connected to constant 12v. I need to verify the constant 12v connection, before I connected and burn the evo box.
asked Aug 13 in Hummer by alexgr1 (130 points)

1 Answer

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Hello,

"to make sure the 20 pin connector black wire is grounded to chassis and the red/blue wire is connected to constant 12v."

- This is wrong, neither of these wires should be connected to ground or power, the black wire is a positive brake output and the red/blue wires is a positive start input both of which would go to a seperate 3rd party remote start module.

Power and ground are on the black 4 pin connector, black wire is ground, red wires is power.

Here is the isntallation and programming guide showing the connections required.
https://fortin.ca/download/61111/EVO-ALL_IG_REG_BI_GM_ESCALADE-AVALANCHE-SILVER-SIERRA-H2_J1850_2003-2007_A_61111.pdf

What is the S/N number to the evo-all? It is located on the back of the evo module.

Best regards
answered Aug 13 by Derek J (400,160 points)
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