GMC

On My 86' Rally Wagon, 1 Ton The Front Left Turn Signal And The Back Right Turn Signal Dont Flash. However The Lights Turn On. The Bulbs...

The Vehicle Misfires On Cyl. #1 And #2 At Idle But Will Go Away At Higher Rpm, We Have 55 Psi Fuel Pressure, And New Plugs, Cap, Rotor...

When I Turn My Mode Switch From Max, A/c, Or Bi-level To Heater Blend Or Defrost, Air Only Comes Out Of The Dash Vents. It Won't...

My 95 Jimmy Is Having Troule Starting Did Tune Up, No Check Engine Light On, I Still Had Auto Zone Put It On The Scanner, And Nothing....

My 5.0 Vortec Keeps Poping The Eng I Fuse What Is Powered By That Circuit? Thanks

I Have An 87 S15 W/2.5l I4. What Happens Is Completely Irratic. I Can Be Driving And All Of A Sudden The Truck Will Go Back To Idle, I Can...

How To Test

My 2003 Gmc Sierra Wont Start. The Gear Indicator On The Stearing Column Doesnt Register What Gear It Is In There For The Truck Doesnt...

Shift Solinoid B Electrical Code # P0758. Engine Light Is On And This Is What The Code Is. Can This Be A Faulty Ignition Switch, That Is...

96 Gmc Sierra 5.0 Vehicle Has Sit Up For Roughly 1 Year And Cranked Fine, But Started To Miss As Though It Was Not Firing On All...