Big GMC truck
Registered Member
1984 GMC K1500 305
I'm interested in buying a tach for my truck. I would like it to be about 4 in. in diameter and be able to mount it under the dash. Any suggestions? Are all of the tachs compatible with my truck's ignition system, which is stock.
I'm interested in buying a tach for my truck. I would like it to be about 4 in. in diameter and be able to mount it under the dash. Any suggestions? Are all of the tachs compatible with my truck's ignition system, which is stock.