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really awful
Crashes / Fires:
0 / 2
Injuries / Deaths:
2 / 0
Average Mileage:
59,579 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

1999 Chevrolet Blazer electrical problems

electrical problem

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1999 Chevrolet Blazer Owner Comments

problem #17

Jan 012007


  • miles


Passlock failure car will not start and have to wait exactly 10 min and try again.

- Milwaukee, WI, USA

problem #16

Jan 012006


  • miles
Multifunction switch very expensive to replace flasher relay clicking non stop / apply brakes it stops what else is malfunctioning that could be dangerous? other vehicles have been recalled with same issue. Please investigate, consumers need repair options that are not excessively costly.

- Milwaukee, WI, USA

problem #15

Nov 052012


  • 140,000 miles
1999 Chevrolet Blazer lt - multifunction switch (common problem!) is malfunctioning. Turn signal/flasher relay is constantly clicking whether signals are in use or not -- unless the brakes are applied. Good sign of an electrical short. The cause of this issue is the grease inside the switch, applied at the factory, running from contact to contact. This switch includes the wipers, cruise control, turn signals, hazards, and can also cause vehicle lighting (headlights, brake lights) to malfunction. Many cases include non-working brake lights! others have reported smoke coming from the switch as the contacts are shorted by the grease. I inherited this vehicle from my grandfather, who couldn't hear the relay firing -- it is the only indicator inside the vehicle that something may be going wrong. There are no visible indicators inside the vehicle letting a person know their lights are malfunctioning. As there is no recall for this year of Blazer (though I understand other years have had the same problem recalled), I will be replacing the switch on my own. Dealer quoted the price for the part alone well out of my price range (nevermind labor), so I'm going to have to shop around to get the vehicle in safe driving condition. Thanks for reading. I appreciate it!

- Fargo, ND, USA

problem #14

Feb 112012

Blazer 6-cyl

  • 120,000 miles


Turn signal indicator clicks when turn signals not in use.

- Elkhart, IA, USA

problem #13

Nov 292010

Blazer 6-cyl

  • 182,000 miles
No events just after I have been driving a while every day all lights including dash flicker and then when I shut off fuel pump won't pump up. This happens once a day and will not restart till next day.

- Douglas, GA, USA

problem #12

Nov 252008


  • 80,300 miles
Flashers clicking continues (sometimes rapidly) after turn is complete and lights out. The sound comes from under the glove box. On line research uncovered this as a common and expensive problem with the combination switch.

- Milwaukee, WI, USA

problem #11

Nov 122008


  • 111,480 miles


The multifunction switch is not working correctly on my vehicle. Out of the blue I started hearing the blinker indicator noise without actually using my blinkers. The noise and the blinker work together when they should, but now the noise comes on randomly regardless of the actual signal. This happens when the engine is on and when just the accessory switch is engaged, going straight, turning, forward, backward, all times. The blinking last anywhere from a single click to a minute straight. My mechanic replace the relay and I have checked all my fuses, the problem has remained. The only option left is to replace/repair the switch which my mechanic has quoted at about $400, which is what it appear others have paid. This has been going on for about two weeks now. This was a recalled item on other vehicles at this time by this manufacturer but not my specific year/model.

- Flagstaff, AZ, USA

problem #10

Aug 112006

Blazer 6-cyl

  • Automatic transmission
  • 54,000 miles
: the contact stated after the vehicle had been parked for 8 hours, the contact was alerted that the vehicle was on fire. The fire department responded and the fire was extinguished. The vehicle was towed to the dealership, where the cause of the fire was undetermined.

- Los Angeles, CA, USA

problem #9

Jan 012006

Blazer 1-cyl

  • miles
I am having trouble with my multifuntion switch, also someone I know with the same vehicle ( 1999 Chevy S10 Blazer) had to replace his because it was acting up there was a recall for 2000 and 2001 for this problem I believe. The recall # is 01073, NHTSA recall # 01V364/GM. I have a major clicking noise inside my car on the passenger side where my directional relay is, I am afraid this is going to eventually malfunction and I will not have turn signals or any other lights.?

- Lincolnville, ME, USA

problem #8

Jan 162006

Blazer 4WD 6-cyl

  • Automatic transmission
  • 89,000 miles
: the consumer stated the vehicle caught fire and burned. After turning on the heater, smoke poured from the interior vents and visible flames were behind the dashboard. The fire department was contacted to extinguish the fire and determined the fire was electrical in nature. After the initial purchase, the check engine light and airbag light came on intermittently. The dealership suspected it could have be the transmission slipping signaling the check engine light and the airbag sensor indicating airbag failure. The dealership cleared the check engine light code and recommended the vehicle be seen by a transmission repair shop. Contrary to the dealers suggestion, the vehicle was taken to an independent repair shop. The independent mechanic also recommended the vehicle be taken to a transmission shop. Two days later, the vehicle burned and was totaled by the extensive fire damage.

- Rohnert Park, CA, USA

problem #7

Aug 272004

Blazer 4WD

  • Automatic transmission
  • 93,000 miles


While driving 25-30 mph vehicle jumped out of 2-wheel high into 4-wheel low. Conditions caused the vehicle to skid two car links before stopping. Vehicle was towed to a repair shop, and mechanic replaced the transfer case motor and the electronic module. Dealer and manufacturer were not notified.

- Fincastle, VA, USA

problem #6

Jan 302004


  • Automatic transmission
  • 90,000 miles
4-wheel driver failed. Dealer indicated electronic module failed.

- Sharpsville, PA, USA

problem #5

Mar 012004

Blazer 6-cyl

  • Automatic transmission
  • miles
My 1999 Chevrolet Blazer's driver's side window has quit working. Chevrolet already replaced the window once, in 2001, and refused to replace it again. Now that the window has quit working I get electrically shocked when getting out of the car and touching the metal on the outside of the car. This happened before when the window broke. This happens everytime I drive my car. I believe there is a serious electrical problem with this vehicle. A friend has the same problem with his S-10 Blazer. These electrical shocks hurt, and I fear that it may cause a problem when I am getting fuel for the car. On one occasion the shock was so strong it gave my finger a blister. My wife also has been shocked by this problem, and refuses to drive my car. Please check into this, I feel you will find that this electrical problem occurs in other vehicles like mine. It is dangerous, and I would like it fixed. Thank you.

- Dahlonega, GA, USA

problem #4

Jan 102003

Blazer 4WD 6-cyl

  • Automatic transmission
  • 53,069 miles
1999 Chevy Blazer suddenly dies without warning - at slow and high speed. May not restart immediately. Clock resets, and on one occasion the rear window unlatched.

- Morgan Hill, CA, USA

problem #3

Nov 302000


  • Automatic transmission
  • miles
Vehicle experiences stalling, after stalling there is a burning smell, dealer has replaced the fuel pump, crank sensor, map sensor, PCM, fuel pump module, vehicle still experiences stalling, consumer feels problem is an electrical problem. Ses light flashed at times, dealer replaced coil wire. Keyless entry inoperable, dealer replaced receiver, remote module, and reprogrammed transmitters. Consumer states vehicle has excessive wind noise on both sides. There is a clunk when backing up and turning left or right. Overhead panel goes blank in morning, when first starting vehicle, dash and gauges will not light up, and overhead compass was replaced. Consumer states gas mileage is not as good as it used to be. Ses light illuminated.

- Lakeland, FL, USA

problem #2

Jan 202000

(reported on)


  • miles
Vehicle is experiencing driving light and tail light failure, sometimes the lights will go out and a few hours later, they'll be back on again, the compass went crazy one time, the dealer replaced the automatic headlight switch, but the consumer is still having the same problems with the lights, the battery also failed.

- Hubbard, OH, USA

problem #1

Apr 282000

Blazer 4WD

  • Automatic transmission
  • miles
The vehicle has experienced continued electrical problems which causes malfunctions in several components (door locks, windows and battery), the consumers have been electrically shocked on several occasions when entering and exiting vehicle.

- Okemos, MI, USA

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