Allison Automatic Transmission Reverse Light Switch Location

Ok i am know far and wide for trying to save money.

Allison automatic transmission reverse light switch location.

Before replacing the switch when you engaged the reverse gear the reve. The price for oem is over 100 and the napa switch is like 8 bucks. The md 3070 3700 sp hd 4070. 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.

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. Your allison md 3066 does not have a back up switch the signal is sent by the allison ecu to an oem relay which turns on your back up lights i would suggest locating the relay center and finding a relay marked reverse warning you can swap it with another same relay to verify the relay itself is bad. The allison 4 th generation controls feature closed loop clutch control to provide superior shift quality over a wide range of operating conditions. 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.

Have 2003 c series gmc topkick with allison automatic cannot locate reverse backup light switch location can you help answered by a verified gm mechanic we use cookies to give you the best possible experience on our website. The 3000 and 4000 product families transmissions configurations can be programmed to have up to six forward ranges neutral and one reverse range.