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Chevrolet TrailBlazer Electrical Problems

130 messages,  Last post on Feb 17, 2010 at 3:54 PM

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What is this discussion about? Chevrolet TrailBlazer, Chevrolet TrailBlazer EXT, Electrical, SUV

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#87 of 130 Re: My Trailblazer is Possessed!! [trailblazer1] by ticadoo Jun 30, 2009 (7:35 am)
Replying to: trailblazer1 (Jun 30, 2009 7:20 am) I've already replaced that too!
#88 of 130 Re: My Trailblazer is Possessed!! [ticadoo] by nutrinoman Jun 30, 2009 (9:09 am)
Replying to: ticadoo (Jun 30, 2009 7:00 am) The others are correct for the "jet plane" sound. I had it and it sounds like a harrier taking off. Your fan clutch has died. I replaced my own. If I remember correctly the clutch was somewhere between $150 and $200. You have to disconnect the transmission coolant lines and then remove the radiator to give you enough room to replace the clutch. With a friend helping it took us about 1.5 hours to replace it. Replies to this message: ticadoo (Jun 30, 2009 9:26 am)
#89 of 130 Re: My Trailblazer is Possessed!! [nutrinoman] by ticadoo Jun 30, 2009 (9:26 am)
Replying to: nutrinoman (Jun 30, 2009 9:09 am) How long are these supposed to last? I had mine replaced just over a year ago.
#90 of 130 03 Trailblazer can't get key out! by jspr363 Aug 09, 2009 (4:42 am)
Hi gang 1st time posting. The key will not turn to off position(where you can remove it) it stays in the aux position keeping dash lights on and running down battery overnight, everything else is ok. It all started when the shifting colum was accidentally moved to park while the car was rolling slowly ahead. The transmission seems to be fine goes into all gears and park no problem. What interlock should I look for that is holding that key from coming all the way home? thanks Jon
#91 of 130 Oil light by rpowers Sep 09, 2009 (6:14 pm)
My oil light stays on for 20-30 seconds after the engine starts (05 TB) my brothers 05 is now doing the same thing - both have about 40,000 miles on them, have had oil changes at 3000 miles - no leaks - oil level is perfect. Is any one else having this - or has anyone found the cure? Replies to this message: tmirgliotta (Nov 04, 2009 4:39 pm)
#92 of 130 clock!!!! by lmgranger69 Oct 07, 2009 (4:34 am)
over the past couple of weeks everytime I turn my car on my clock is back at 12:00. Now my car is having trouble turning over. Why???? :o) Replies to this message: burdawg (Oct 07, 2009 7:08 am) tmirgliotta (Nov 04, 2009 4:41 pm)
#93 of 130 Re: clock!!!! [lmgranger69] by burdawg Oct 07, 2009 (7:08 am)
Replying to: lmgranger69 (Oct 07, 2009 4:34 am) The battery is probably bad.
#94 of 130 Headlights dim, AMP Meter dives by keithb5 Oct 22, 2009 (6:49 pm)
05 Trailblazer LS. Headlights dim and AMP meter dives sporatically - most evident at night, of course. Dealer replaced fuse box under hood, but the problem returned a short time later. Dealer then replaced 'faulty' alternator, but the problem returned. I notice the alternator output (AMP meter) falls during hard acceleration, such as when accelerating on highway entrance ramps. When engine RPMs settle after shifting, the problem usually goes away. Faulty serpentine belt or idler pulley? Crappy electrical system? The headlights random dimming at night is a huge distraction. Replies to this message: ajscott19 (Oct 23, 2009 6:07 am) bigfig (Oct 23, 2009 9:06 am)
#95 of 130 Re: Headlights dim, AMP Meter dives [keithb5] by ajscott19 Oct 23, 2009 (6:07 am)
Replying to: keithb5 (Oct 22, 2009 6:49 pm) I have been having the same issue, altenator was replaced twice, ground fault wire replaced, now they are telling me they cannot duplicate the problem and Chevy's are made to do that! Yeah right, since when are your headlights, dash lights etc. made to strobe? I've had enough and will never buy a chevy again
#96 of 130 Re: Headlights dim, AMP Meter dives [keithb5] by bigfig Oct 23, 2009 (9:06 am)
Replying to: keithb5 (Oct 22, 2009 6:49 pm) I have an '03 Trailblazer and one night my low beam headlights went completely out but did have the high beams and drove home using the high beams. In talking with my local Chev. service dept., they suggested changing the relay switch part #1501-6745 which I did and have not had any problems since. I do not know if this will solve your problem but you may give it a try. The relay is located in the fuse box.

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