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Mack_Mechanic
New User
Nov 21, 2005, 12:51 AM
Post #1 of 2
(2262 views)
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2001 blazer problem
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Hi,all.I have a 2001 s-10 blazer with an electrical problem.When I start the truck all the lights(head,tail,dash,dome,ect..) blink or flash.It isn't on-off but dims slightly and then gets bright again.It flashes fairly quick.It really isn't noticeable at idle.I am a truck mechanic and haven't ran into this problem on a big truck yet.I was leaning toward a ground or short but hitting a bump dosen't effect the problem.Could it be coming from the alternator?I have checked for past codes and found none.Any help is greatly appreciated.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 21, 2005, 2:24 AM
Post #2 of 2
(2257 views)
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Re: 2001 blazer problem
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Sounds like a ground - engine block to body problem. You could use jumper cables to bolster ground to test that.
Alternator?? Try unplugging it and see if that stops the problem - it would be a good clue. Let us know what you find out - T
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