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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 2108
Experience:  Owner at DJ Wilson
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I have a 1997 freightliner classic that I took the engine

Customer Question

I have a 1997 freightliner classic that I took the engine and transmission out of an 03 classic and put in the 97 only problem is the speedometer and tachometer are working at the same time meaning while sitting still the tachometer doesn't move it only moves when the truck is in movement what could my problem be
Submitted: 2 years ago.
Category: Medium and Heavy Trucks
Expert:  go-west.. replied 2 years ago.

Good day

Have you tried swapping the tach and speedo connectors around sounds like the tach is working like the speedo. Try it and also let me know what the wire numbers are to the tach..