Having problems with your 1999 GMC Sierra ?
Need wiring diagram for 1999 gmc tail lights - 1999 GMC Sierra
I'am going to go out on a limb hear and assume that you need this due to the fact your tail lights quit working. This is a very common problem, and the circut board in the tail lamp seems to be the main problem in these. Most parts stores carry these at all times. If you need for other than this problem- please clarify
Repair Help & Product Troubleshooting for 1999 GMC Sierra
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