Control Module Test

Reconnect primary leads to coil, pick-up assembly and control module. Disconnect coil wire from distributor. Using insulated pliers, hold coil wire about .20" (5 mm) from ground. Crank engine and check for spark. If no spark is present and all other components of system are functioning properly, replace control module.

Fig 1: Exploded View of Bosch Electronic Distributor

Courtesy of YUGO AMERICA, INC.