2008 Hummer H3 AC / heater problems: hvac harness ab=nd resistor burnt out

Hvac Harness Ab=Nd Resistor Burnt Out

6.0

fairly significant
Typical Repair Cost:
$100
Average Mileage:
90,950 miles
Total Complaints:
3 complaints

Most Common Solutions:

  1. you can purchase the resistor and 5 pin repair pig tail (3 reports)
2008 Hummer H3 AC / heater problems

AC / heater problem

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2008 Hummer H3 Owner Comments

problem #3

Jun 152015

H3 Adventure Package 3.7L

  • Automatic transmission
  • 88,856 miles

A D V E R T I S E M E N T S

Clearly a problem in the design. No warranty if you buy the pieces. Probably the engine of the blower stops by no good reason and by that pulls to much current causing the plastic of the harness to burn out.

- hummie, Dubai, United Arab Emirates

problem #2

Jul 242015

H3 Luxury

  • Automatic transmission
  • 68,900 miles

This is the second time I had to replace the harness for the a/c blower and heater. I am not sure why this is recurring but after seeing online it's a common problem. So at the very least GM should be reimbursing for the parts. The connection between the resistor and the harness was melted at the Orange wire next to the yellow wire in the harness assembly just like last time, and was backed in there from what appears to be some type of short.

It would nice if this is the last time I have to shell out $ for this repair. However if anything more serious results from their avoidance to recall this problem I can assure you there will be class action law suit and I will be in the drivers seat!

- Brian S., Coral Springs, FL, US

problem #1

Aug 312014

H3 5 cyl

  • Automatic transmission
  • 115,000 miles

I have read that thousands of Hummers have had this same issue. It's a simple fix for GM. I put $80.00 in repair due to the parts and shipping related cost. In thinking about it after the fact, all I had to do was buy the resistor $16.00 to $20.00 off Ebay or Amazon, and then purchase connector pin clips at Lowes and that would be that...less than a $30.00 repair. It's easy to get to the harness, just go to Youtube and there is a video on where it is...took me less than 5 minutes to get it disconnected...good luck.

- Ronnie A., Nashville, TN, US

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