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Search Auto Parts Search 1997 Chevy Blazer...headlights Flickering Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical bnootron New User Feb 5, 2010, 1:36 PM Post #1 of 5 (7848 views)      1997 Chevy Blazer...headlights Flickering   Hi, My Name is Brock I own a 1997 Chevy Blazer 4X4 with an S-10 motor It has 97,000 miles. Months ago I was driving down the road and I notice both of my head lights begin to basically flicker simultaneously from on to off then back on and off like I am an emergency vehicle. No it happens when I am bout 5 to 10 minutes into my drive. It makes a horrible clicking noise in my glove box. So I first thought it was possibly the relay… so I replaced all 3 cheap fix but it didn’t work. So I was told it could be corroded ground wires or the wires connecting to the battery. So I cleaned everything up they almost look brand new and I am still having the flickering problem starting about 5 to 10 minutes into having my lights turned on. It is winter here and I thought it could also be because the heater is on so hot maybe it was doing something to the relay but I had my truck in a temp controlled garage without the heat going and still after about 5 minutes the lights began to flicker like crazy….I would love some help on this issue. Thank you so much. Thanks, Brock (This post was edited by bnootron on Feb 5, 2010, 3:56 PM) Tom Greenleaf Ultimate Carjunky / Moderator Feb 5, 2010, 4:48 PM Post #2 of 5 (7833 views)      Re: 1997 Chevy Blazer...headlights Flickering   Guess: Grounds to body aren't adequately clean or broken/dirty. OK to add ground straps such that body metal is all well grounded but know you are just adding or repairing ground to engine block (or items directly bolted to it) which must be well grounded to battery negative, T msehon New User Feb 8, 2011, 7:05 PM Post #3 of 5 (7609 views)      Re: 1997 Chevy Blazer...headlights Flickering   My Blazer did the same thing it was the headlight switch. We changed it and I have not had a problem since. Jsteadman New User Dec 12, 2011, 7:29 PM Post #4 of 5 (6870 views)      Re: 1997 Chevy Blazer...headlights Flickering   Mine was the headlight switch too. Been running the new one three weeks without a flash. Had all the same problems and picked one up at autozone.com for 18 bucks. I opened the old one before I tossed it and it was full of a green corrosion that was shorting it out. If you had a good copper cleaner to clean the contacts you might be able to get by with a cleaning. It took about 5 minutes to change the switch and appreciate the other post so I didn't have to waste my money on new relays because the where clicking too. The clicking stopped as soon as the new switch was in. zmame Veteran / Moderator Dec 12, 2011, 7:58 PM Post #5 of 5 (6866 views)      Re: 1997 Chevy Blazer...headlights Flickering   This post is almost 2 years old please start a new thread if you want to share advice.   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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