Speedometer tachometer sr20det
 

So I recently swapped an sr20det into my hatch all is good sorting out a random missfire but I noticed the speedometer is now my tachometer.

Some history on the car is I acquired it with tons of hacked wiring and I replace most of the conectors in the cabin that i saw were damaged.

The engine swap wiring I didnt want to deal with having to double check my wiring so I bought the propper conversion harness from wiring specialties. Used them for my ka and no issues so why not go with the same but for my sr platform. New sr20det main harness and lower trans harness brand new wiring specialties. Could there be a possibility they mixed up? I havent gone into the dash to check but i will tomorrow. Any thoughts or has anyone else experienced this before?

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My guess would be speed/tach signal coming from the chassis plug to the dash is mixed up. Wiring specialties isn’t known for wiring mistakes but could be possible.



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Call them. They have great customer service and can probably diagnose over the phone.

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