Another 2005 that will not go into 4WD!
Well, It has been cold and snowy. I missed 2 doctors appointments this week.
The truck is on icy road behind the house and does not want to go into 4WD.
Here is what I have done.
I have read the threads on how it works.
Checked the Solenoid. Just electrically. It clicks and thumps with 12V.
The connector plug ALWAYS has 14V DC on it, UNPLUGGED, and all
positions of 4WD switch. Measured with wires stuck down the connector plug.
Disconnecting it (No Vacuum, I guess), still no action.
I dried it out with a hair dryer. Yes, the water pours on it, directly as
the snow melts off the truck.
I pulled and checked with an ohmmeter Fuses mention as important.
Now, my biggest question is WHAT turns on the Lights on the dash?
The Hi, Low 4wd indicators. I would think they would be turned on by
the computer (ECM?). They never turn on.
So, So maybe it is the dash switch? How do you get to it or check it.
So, anyone know what comes first, Lights from the Switch or ECM and then
vacuum taken away for 4WD?
Sounds like the switch is not getting to the system?
Thanks for any info!
Mike, snowed in for 4 days in Crestline, Ca.