Question about 2001 Chevrolet Blazer
. used truck on friday. got in on monday and nothing. no dome no lights no radio horn anything. dont no if there is an alarm system cutoff. help!
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Posted on Jan 02, 2017
I think your BCM which is the body control module has failed, have a self test run on it to see if it will give any codes, if it won't test then it is the problem.
Posted on Aug 31, 2008
this is one way to reset it :
first make sure the battery is fully charged , then do the following:
key in the ignition but do not crank the motor, just leave it at the
ignition mode for ten minutes ,then turn it off POSITION for 5 seconds then REPEAT again 2 more times. at the 3 rd time youre gonna notice the ANTI THEFT light on dash to blink. when doing the last step , remove key , inserted again and turn on motor , good luck , AJ
Posted on May 28, 2009
I found the 2 orange wires going to the horn relay attached to the headlight switch. I removed them and ran another fused wire direct from the battery and connected them to it. The horn works plus the interior dome light started working...One more wire in this cobbled up mess ...mercy...people with their fancy radios and the mess they make ???
Posted on Nov 30, 2009
I had the exact same problem! On the third battery and the third time in our local Chevrolet Garage...they told me they couldn’t find any problems. My response was, “this vehicle isn’t dependable and it’s staying here until you fix it.” Well what do you know about a week later and a $100 deductable on my GMPP warranty they found the problem. It was an accumulation of three issues but mainly one.
1. The LoJack system that a different Chevrolet Dealership installed was drawing a constant 20mA when the vehicle was off. Within LoJack specs. Normal.
2. The Prodigy trailer brake controller was drawing 15mA. Within specs. Normal.
3. And the MAIN CAUSE of the whole problem was the HVAC controller never turned off. It was continually drawing 35mA until they pulled the fuse. They had to order another HVAC controller which would have cost $287 and a weeks’ worth of shop hours to investigate the problem. Thank GOD they only charged me the deductible on my warranty.
Posted on Dec 23, 2009
I am currently having the same problem with my 2004 Blazer, after a little research I am going to try replacing the engine compartment fuse *** suggested. I will let you know if tis works.
Posted on Dec 26, 2009
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