replaced 4x4 module- now what

[MikeyK]

2002 ford ranger 4.0 auto switch 4x4.
Problem- I just purchased this ranger last week knowing it had problems. The 4x4 lights did not light up when turned on so I replaced the 4x4CM with one from the junk yard(so no guarantee it works properly)
Now, when I start the truck the 4x4 lights turn on, I flip switch and nothing. The switch light does not light, the switch has been replaced and wires are spiced (could be wired wrong, don't know what color wire goes where). I was thinking next step would be the motor on the transfer case. pulling it and testing its functions with a jump.

Does anyone know what color wire goes into which spot on the 4x4 switch? There are 4 wire coming out the back of switch.
Will the light only come on if the motor engages or is the switch bad?

 

[Earl43P]

Welcome to The Ranger Station!

Start reading here:
http://www.therangerstation.com/tec...ng_1995_&_Newer_Electric_Shift_Transfer_Cases

http://www.therangerstation.com/tech_library/TCaseshiftmotor.shtml

At the switch, Black is ground
LB/RD is illumination power
GY/RD goes to the GEM, 4wd switch mode input
WH/LB goes to the GEM, 4wd switch mode output

Reading out the switch positions will be in ohms, 360, 1100 3900.


I suspect your shift motor is bad.

 

[MikeyK]

Is this the order wires will appear on switch also?
Say from left to right starting on the 2wd side?

For some reason I have different color wire coming out the plug on the switch about 6'' that are then fed into the actual wires.

 

[MikeyK]

so i pulled the motor cleaned it and all still nothing.

Traced the wires and one had a cut and the copper was so ate up. cut out and splice works again....