[Vegasanthony]

So iam hooking up my 36re and I have this connector to hook up except I'm not sure what a

trans range sensor MUX
is ..anyone know?

 

[RalphP]

It's a multiplexed signal showing the transmission range. What year, make, model, motor?

Edit: It appears to be a signal from the transmission to the cluster to tell the cluster what gear the transmission range selector is in. See the discussion of it being failed at https://www.dieseltruckresource.com/forums/3rd-gen-engine-drivetrain-2003-2007-102/shift-indicater-problem-293322/ .

RwP

 

[OFWG]

Transmission range sensor is also as neutral safety switch.

 

[RalphP]

Transmission range sensor is also as neutral safety switch.

Yes, but that's on Pin 6.

RwP

 

[daddyododge]

If you have a 42re or 46re with 3.9l,5.2l,or 5.9l engine, the range sensor is located
on the driver side just behind where the shift cable hooks up to the transmission.
If you have 4.7l engine the transmission is a 45rfe and sensor is internal as part
of the valve body.
Good Luck Daddyododge