Allison Transmission Reverse Light Switch Location

Reverse lights are an important safety feature of any car or truck as they allow to you inform other drivers around you that you intend to back up.

Allison transmission reverse light switch location.

On tow trucks with stick shift the backup light switch is usually located on the transmission s top cover opposite the position of reverse on the shifter knob. But i only pay 28 35 for an allison reverse light switch pt 416372c1 from international it has gone up severely the last. The reverse switch is part of the large neutral safety switch on the drivers side of the transmission. It has a fully electronic allison md3060 automatic trans.

Allison transmission 3000 and 4000 wiring diagram wiring diagram is a simplified satisfactory pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the power and signal associates in the midst of the devices. The signals from that switch go though the transmission module and then when in reverse the transmission module grounds a relay to turn on the reverse lights. Allison transmission service outlet for the currently applicable publication. Over the past several years i have been using a pressure switch from napa to replace the back up light switch on these older allison transmissions.

The price for oem is over 100 and the napa switch is like 8 bucks. I would start with tracing the wiring from the bulb back to the switch which will be located on the top of the transmission if the wiring is good it is probably the switch. If the switch is functioning normally a circuit is completed when the switch is triggered and the white lights in the tail lights will illuminate. I guess it ll be a pressure switch activated from the reverse clutch oil passage.

I would imagine what you need to be looking for is a blanking plug behind which is an oil passage that gets pressurized when reverse is selected. Before replacing the switch when you engaged the reverse gear the reve. Additional copies of this publication may be purchased from authorized allison transmission service outlets. A backup light switch screws into the transmission and is triggered when you shift the vehicle into reverse.

Take time to review the table of contents and the manual. Replacing a backup light switch is fairly straightforward if you know what the switch looks like and where to locate it on your vehicle. Any idea where to wire lights from. The best way to check both would be with a good volt ohm meter the switch will be open when not in reverse and closed when in reverse that s where i would start anyway.

In this video i replace the reverse light switch in the transmission of the 2 slow.