Questions & Answers for: 1991 gmc sierra bad ground

...gmc sierra. some times when i brake 'check brakes' light in dash will turn on and engine studders. -checked fuse.-changed brake light switch.-changed ignition switch,because at first brake lights ...

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...1991 GMC Sierra with stop light problems. I have checked the fues and bulbs which are good and replace the stop light switch but still have not stop lights. sounds like to me the bulb socket needs ...

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...a 91 gmc sierra I have no turn signals or tail lights when i turn on my head lights. What is wrong? Possible battery Voltage issue or more likely bad ground wire connection on light relays / ...

1991 gmc my my heater switch does not come on check fuses still nothing on my 1991 gmc my heater switch is not working no fan no lights check all fuses and still nothing either main power to switch or

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