I have an OBD2B to OBD1 conversion on my car, I recently sold it to a customer because I didn't have any ecu's in stock at the time and he was desperate.

Anyway, it worked perfectly on my car, however on his, also OBD2B, the rev counter doesn't work. I know that OBD1 and OBD2 distributors are technically the same piece, but why has it affected his distributor and not mine?

His rev counter works fine on the OBD2 ecu, just not on the conversion.

Any ideas?

Many thanks


Modified by towns at 6:44 PM 3/9/2005

 

I'm assuming that the instrument cluster is fed directly from the dizzy anyway and not from the ecu?

 

I know that on my '95 Integra the tach signal comes from the distributor. My '98 Accord tach signal comes from the ECU. So I bet they're NOT the same.