Question about 1999 Chevrolet Blazer
Only battery gauge works, all other dont move. when i turn the key PRND123 light up when truck is on it turns off. RPM sometimes go crazy.
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Posted on Jan 02, 2017
welcome anytime .. I have a duramax also 06 4500 and so far I love mine its been trouble free at 58k miles now.. good luck Jerry
Posted on May 22, 2009
Is the theftlock light lit up on the dash? It it is you may have a problem with the GM manufacturer theftlock device. The Theftlock system prevents the vehicle from being started without its own key and shuts of the fuel injectors which is typically why it turns over but won't start. It's quite problematic on mine and locks the car so you have to replace the cylinder.
If the "Theft System" light is flashing on in the dash sit in the car with the key in the "On" position. When the light stops flashing it will light solid for a second then go out. Open and close the driver side door, turn the car off, turn and start the car. This resets the theft lock and I kid you not it works.
Posted on Aug 31, 2009
this display is what they call a LED they are prone to problems, u will need to remove the speedometer head and send it in for repair of the display module, about $200
Posted on Jan 06, 2010
SOURCE: Check gauge light is on
Check the ground out at the thermistate housing area. Put a new wire loop end if needed . but clean with wire brush or sand paper if it is on the housing . Try moving to the intake itself . Try this before tring a computer. Good Luck!
Posted on Mar 28, 2010
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