... PIGTAIL Fig. 6.8 Disconnecting the ECM pigtail wire at the connector (arrow) will clear the memory of intermittent trouble codes (Sec 2) ... Codes will flash. However, Code 12 will flash only if there is a fault in the distributor reference circuit.
|Title||:||General Motors J-cars automotive repair manual|
|Author||:||Larry Warren, John Harold Haynes|
|Publisher||:||Haynes Publishing - 1992|