SamCal36
OBS Enthusiast
- Joined
- Jan 17, 2015
- Messages
- 62
- Reaction score
- 13
Hey I just bought a 98 k3500 with the 6.5 in it an the oil pressure gauge doesn’t work the guy that had it before me put a autozone one in it but I really would like the factory one to work where do I need to start testing the gauge to make sure it works
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