Question about 2006 Hummer H3

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2006 H3 just changed out the alternator, found the amp and radio fuse blown, replaced fuses, still have the battery light on. why?

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Posted on Jan 02, 2017

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swampthang90
  • 18 Answers

SOURCE: 2006 Hummer H3 a/c & heater fan/blower failed

Probably too late now, I am sure you have already fixed it, but mine did this and it was an electrical part that is mounted right beside the blower fan. The part was OK, but the plug into the part was arcing and burned out the connection. A Chevy mechanic told me this has been happening to MANY Chevy products. I had to buy a new part and plug assembly with new wires, about 100 dollars, and I spliced them together. It was an Easy fix, but I shouldn't have had to do it :(

Posted on Mar 07, 2010

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  • 78 Answers

SOURCE: BRAKE SYSTEM FAILURE

well what could of happend they probably put the battery on backwards and blew out a fusible link.The links run thru the wires by the battery and behind the alternator check it out Good Luck keep me posted

Posted on May 27, 2009

  • 1 Answer

SOURCE: 2006 H3 Hummer 3.5L Fan blower just stopped

had thid problem and took it to a dealer. they showed me a resistor plug that is between the switch and the blower that melted. I can feel cold air but blower did not work . they said you cannot order the part but they have all the peices to rebuild it. hope the works for you!

Posted on Jul 01, 2010

  • 1 Answer

SOURCE: (06 Hummer H3) Blower not working, Clutch Keeps blowing fuse.

I assume you've fixed this already given that nearly a year has passer by, but if others experience this, it may help them. Under the dashboard on the passenger side there is a Fan Blower resistor attached to a red connector with 5-7 colored wires. Its held in by two simple screws. Disconnect the connector and inspect it for any burn marks(usually the last orange wire at the end). If this is discolored go to the nearest GM dealer and by about $70 worth of parts. The blower resistor, the red harness connector and the clips that go into the connector. Job takes under an hour and would be rated at novice-intermediate. Advice: set the passenger chair back as far as possible. Remove the harness clips carefully so as not to break them. For more workspace you can easily pull out the plastic facia on the right hand side, it easily slips out from under the foot rail, do not be intimidated there are no hidden screws. There is also a relay down there; a small black box held in by one screw, you might as well change this while you're down there. A dealer may charge as much as $400 for this simple fix!

Posted on Jul 19, 2010

bunnydawg
  • 5158 Answers

SOURCE: 2006 H3 battery keeps going

something is being left on when you shut off the key. fastest way to tell this is to unhook the positive post of your battery and hook up a multimeter between the post and the cable. with the key off the amps should be almost zero (the radio uses a very small amount for memory) also take the battery out and have it load tested.

Posted on Aug 19, 2010

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Hi, Those have a fuse in the positive battery cable located in the middle of the cable about the center of the firewall on its route to the starter. I would check that fuse before proceeding. Also, those cables are known to go bad, My daughter had a 2000 cougar that kept draing the battery and lights wouldnt work right sometimes. Eventually it fried the alternator. After replacing the alternator and battery cable, it worked fine. Try the fuse first, If it is blown, I would recommend replacing the cable to cure the headlight problem. Mike

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Look at your users manual to identify the fuse location for this, then check the fuse to see if it's blown. Hopefully this is an easy fix for you.
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Instrument panel went dead


Checked Every fuse in the fuse box (no small task).This includes #4 - Power point Instrument Panel, #14 - Day time running lamps (auto lamps doesn't work nor does auto lock), #27 - ignition switch run feed, #35 - Instrument Cluster, #41 - Instrument Cluster, #42 - Delayed Accessory, #45 - Ignition switch run/start feed, #102 - Door locks body security module, #103 - Ignition switch, #110 - Ignition switch, & #116 - Ignition switch. But I also check all other ones as well, they all register OK. AC panel & radio work. Turn signals work. Mileage does not work, trip computer does. So, basically, everything works except auto head-lights, auto locks, and the dash cluster (no MPH, RPM, mileage display, Fuel, Temp, Tran Temp, and Oil Pressure).

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