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The neutral safety switch is intended for trucks with an automatic transmission. The switch is designed so that the engine isnt able to start unless the transmission is either shifted into the Neutral or Park positions. Should this switch fail, then the vehicle can be started in any gear, which could cause an accident. Failure of the switch also will prevent the truck from starting at all. To fix the issue, you need to install a neutral safety switch in the transmission, which takes about an hour to complete.
Step 1
Park the Chevrolet truck, and engage the parking brake. Lift the front of the truck using the jack, and put jack stands under the frame.
Step 2
Crawl under the drivers side of the truck and locate the transmission. Find the shifter linkage, which is on the drivers side of the transmission. Unbolt the shifter linkage with the 3/8-inch ratchet and socket. Remove the wiring harness on the neutral safety switch with your hands. Unbolt the switch with an open-end wrench, and remove it from the transmission.
Step 3
Install the replacement neutral safety switch into GM Tool J 41364-A so the slots on the switch align with the tabs on the bottom of the tool. Turn the tool so that the top locator pin on the tool lines up with the slot on the switch. Slide the switch into its mounting place, and secure it to the transmission with an open-end wrench.
Connect the wiring to the replacement switch using your hands. Reinstall the shifter linkage with the 3/8-inch ratchet and socket. Lower the truck off the jack stands using the jack.
Tip
- You can find GM Tool J 41364-A at a local GM dealership, and also at specialty tool suppliers such as Snap-On or Mac.
Items you will need
- Jack
- Jack stands
- 3/8-inch ratchet and socket set
- Open-end wrench set
- Replacement neutral safety switch
- GM Tool J 41364-A
