2003 GMC Sierra 1500 "control light" Questions

trailer brake controller problem I installed a trailer brake controller in my 2003 GMC Sierra 1500HD that has factory installed tow package. The manual button on the controller will apply the trailer ...

...light stays on a fault exists in the 4X4 control system, the control module has sensed that and turned the light on to alert you to the problem. It is likely that  the power transfer ...

where do you plug in the trailer brake controler harness where do you plug in the brake controler harness for my 2007 GMC Sierra I have a after market wire harness that I purchased with the controler ...

...control itself.You have to look for deeper into your problem. After having the same problem I changed out a faulty brake light switch for $20 and it fixed the problem. The new switches come with ...

...control panel light up ? You probably need new radio ! The second interior lighting group includes lamps which may be dimmed. This group may use a combination of vacuum fluorescent (VF) illumination, ...

...light (or Service Engine Soon or small picture of an engine) is turned on, the systems computer control unit (called the PCM) has sensed a fault in the electronic controls of the engine and/or the ...

...for a while but has quit completely. Main fuse in fuse box is good, changed heater/ac digital control but still doesn't work, digital heater/ac control switch doesn't light-up? check the

...light came on control panel? See above. LED,s use different power consumption a normal globe. The brake lights on your car may use the same power supply as the airbag system. Try putting the original ...

light,check engine, abs,traction control? usually if the check engine light or service engine soon light comes on under heavy acceleration it leads to a bad O2 sensor. check the ECM for history codes.

...control needs service and engine light flashes and auto parts store shows from the computer misfire on cylinder 6 truck has 150,000 never had spark plugs changed and engine has been making noise like ...