![]() The neutral safety switch is mounted to the transmission (or transaxle) by two or three 10mm or 12mm bolts. Some vehicles have a plastic cover covering the switch. ![]() Be sure to position the battery cable end away from the battery terminal so there is no chance of arching.Ĥ) From underneath a rear wheel drive vehicle or from under the hood on a front wheel drive vehicle, locate the neutral safety switch. Or, for this particular job, driving the front wheels on car ramps is recommended.ģ) Open the hood and disconnect the negative battery cable. If the vehicle moves, reset the jack stands. IMPORTANT: With the full weight of the vehicle resting on the jack stands, push against the front corner of the vehicle to test stability. Raising the vehicle will not be necessary. ![]() If your vehicle is front wheel drive, you should be able to replace the switch from the top. DO NOT WORK UNDERNEATH A RAISED VEHICLE SECURED BY A JACK ONLY. If floor jack is used, the raised vehicle must be secured with jack stands. Use car ramps or floor jack to raise front of vehicle. Pull hood latch.Ģ) Raise front of vehicle. Set the emergency brake and place shifter lever in the “P” Park position. ► 12 MM Wrench or 12 MM socket with ratchetġ) Park vehicle on hard level surface. ► 10 MM Wrench or 10 MM socket with ratchet For certain imports and other high-end late model vehicles the cost can be significantly higher. If you are experiencing a no crank condition combined with your reverse lights not working the neutral safety switch is bad.ĭo-it-Yourself Procedures for Replacing a Neutral Safety SwitchĪpproximate time to complete: 1-hour Cost for Neutral Safety Switch: Low $25 High $160 Note: The cost for a neutral safety switch is normally between $30 and $60. In many vehicles, the neutral safety switch is responsible for turning on the back-up lights when the transmission is in Reverse. ► Reverse lights (or back-up lights as they are also called) not working in conjunction with anyone of the above symptoms. If the engine cranks when the transmission is in gear – the neutral safety switch is not working and must be replaced. ► Engine cranks when the shifter lever is in any gear, including Drive and Reverse (1999 and older vehicles). If the engine does not crank when the transmission is in Park but does crank when the shifter is in Neutral, the neutral safety is bad or the shifter cable (if equipped) is damaged, loose or misadjusted. ► When the shifter is placed in Neutral, the engine cranks and starts normally. Assuming you have a fully charged battery, clean battery cables, a working starter motor and the transmission shifter lever is in the Park or Neutral position, the cause of a no crank condition may be a faulty neutral safety switch. ► Engine does not crank over when shifter is in the Park position. Symptoms of a Failed Neutral Safety Switch:
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