Chrysler Full-Size Trucks 1989-1996 Repair Guide

Neutral Safety Switch

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REMOVAL & INSTALLATION



See Figure 1

The neutral safely switch is thread mounted into the transmission case. When the gearshift lever is placed in either the Park or Neutral position, a cam, which is attached to the transmission throttle lever inside the transmission, contacts the neutral safety switch and provides a ground to complete the starter solenoid circuit. The back-up light switch is incorporated into the neutral safety switch. The center terminal is for the neutral safety switch and the two outer terminals are for the back-up lights. There is no adjustment for the switch. If a malfunction occurs, the switch must be removed and replaced. To remove the switch:



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Fig. Fig. 1: The neutral safety switch is threaded into the transmission case

  1. Disconnect the electrical leads and unscrew the switch. Use a drain pan to catch the transmission fluid.
  2.  
  3. Using a new seal, install the new switch and torque it to 24 ft. lbs. (32.5 Nm).
  4.  
  5. Pour four quarts of ATF+3®II fluid through the filler tube.
  6.  
  7. Start the engine and idle it for at least 2 minutes.
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  9. Set the parking brake and move the selector through each position, ending in Park.
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  11. Add sufficient fluid to bring the lever to the FULL mark on the dipstick. The level should be checked in Park, with the engine idle at normal operating temperature.
  12.  

 
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