I need to replace the shift interlock solenoid on my 2008 H3 Hummer where is it located and how hard is it to do.????

Normally yes we do. Everything here points to the BCM as though it does everything. I am puzzled.

https://www.google.com/search?q=+2008+Hummer+H3+ECM+pinout

https://schwarttzy.com/wp-content/uploads/2013/01/Hummer-H3-Wiring-2008-1-4-1.pdf

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My 2008 hummer h3 got C0136 Base brake system pressure circuit error on DTC and displays waning Traction off, Service stab sys. Whats the exact problem and any part to be replaced?

Shift interlock requires voltage.

Dealer Checked my Hummer. They said all H3's have the same problem ...

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Sep 15, 2005 - 24 posts - ‎17 authors
rattling sound inespected in my hummer because ... go uphill or press on the gas pedal to ... same time up to 2500 rpm on my H3. .... Buzz or Rattle Noise While DrivingUnder Load from the Exhaust ... 2006 Hummer H3

Slow Gear Shift, Low RPM - Normal for H3? - Hummer Forums ...

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Mar 6, 2012 - Hey All! I recently bought a used 2007 H3 (automatic). ... for h3"!!.if it dont feel normal,,it aint!! im driving my 2nd h3 and they both felt ... 2006 Hummer H3... you can tell when locked up. go ez on gas and rpms dont jump,they ... Hummer H3 Won't get above 2.5 RPM - Hummer Forums ...
Jun 26, 2014
My h3 loses power and sometimes turns off when i turn
Mar 16, 2010
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RPM bouncing from idle. Caused short bursts of "unintended ...

The hummer H3 has only one fusebox which is inside the engine compartment behind the battery

Check the selector shift cable

The shift solenoids are located on the valve body inside the transmission.

Do you a any service lights on Many of the 2008's with the 3.7 were built with bad valve seats . Mine had the same problem and failed and GM had to replace the heads under warranty. Get there before it runs out,it costs almost 3000.00 if not under warranty

SOUND LIKE STICKING SHIFT VALVES IN VALVE BODY.ALSO CHECK TRANSMISSION FUSE.

clean abs sensors at each wheel.