October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Distributor Reference Pulses

On all models with full function systems--except V6-229 (1982 VIN code K and 1983-84 VIN code 9) engines--the ``R'' terminal on the 7 pin ignition module provides reference pulses to the ECM indicating engine RPM and crankshaft position.