Factory trained by allison transmission on all on hwy products including the hybrid electric drive verified hello and thanks for using just answer my name is xxxxx xxxxx i would like to help you with your question the internal switch is called an ims switch.
Allison transmission neutral safety switch replacement.
The switch is located in two places on the vehicle.
The neutral safety switch will allow the engine to start with the transmission selector in park and neutral.
A neutral safety switch works just like a clutch switch except that it keeps an automatic transmission from starting in gear.
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Defeo is not affiliated with or sponsored by allison transmission inc.
Defeo is an independent manufacturer supplier of replacement parts for allison brand transmissions.
1 drain the fluid and drop the pan.
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And is not an authorized allison dealer or oem manufacturer for allison transmissions inc.
Neutral safety switch for allison 1000 2000 series transmissions.
Descriptionone of the most common problems with the allison transmission is failure of the neutral safety back up switch.