Having problems with your 1989 GMC Sierra ?
Where are the fuse boxes located on a 1989 gmc sierra 1500 full size pick up?
Its right underneath the steering wheel on the left its a camaflushed little door
There is one under the hood the other is tucked up under the dash or behined a panel on the side of the dash with door open.
Repair Help & Product Troubleshooting for 1989 GMC Sierra
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