lost speedometer and perheater Year 1991

[DNelms]

Can some one help me with why i lost both functions at the same time?

No fuses blown and have checked all relays and circuits. any ideal as to what steps i need to take to tracy this problem.

Year 1991

Model Ram 2500 4 wheel drive.

 

[KSommer]

did you check the fusible links on the ds inner fender?

not sure why you lost both at once, when i got my truck, both were already shot. i use a push-button to run the preheat, and swapped to a cable drive speedo.

kent