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Join Date: Oct 2013
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89’ C4 to C2 Speedometer: How to make it work

Hi,

Is there a DIY to make the speedometer work after converting the car from C4 to C2?
Background: 1989 C4 speedometers are driven by the pulse sender from the gearbox. R24 Relay also doesn’t exist in a 1989 to work in conjunction with R52 to capture the signal from the front left wheel sender after conversion.

How have others made the speedometer work after a conversion. I have a R52 C2 relay, would I have to bypass some ABS wiring?

Thank you!

Mark
Old 12-02-2023, 01:23 PM
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