1975 Chrysler Corp. Models

Disconnect throttle solenoid and apply battery voltage. Solenoid should extend and remain out. If not, replace solenoid.

Fig 1: Placement of Vibrator & Catalyst Container
Courtesy of CHRYSLER GROUP, LLC
Reconnect wire. Connect a tachometer to engine. Start engine. Raise engine speed and watch that solenoid extends when engine reaches 1800-2000 RPM.
Slowly release throttle and ensure throttle solenoid retracts below 1800 RPM. If not, check electrical circuits to engine speed switch. See Fig. 6 .

Fig 2: Throttle Solenoid Wiring Diagram

Courtesy of CHRYSLER GROUP, LLC