Re: 4X4 indicator light not turning on

From: jon@dakota-truck.net
Date: Fri Dec 28 2001 - 12:59:22 EST


SilverEightynine@aol.com wrote:
: After the engine replacement, I'm still trying to get the electrical gremlins
: to leave my 4x4 alone, and go harass some pathetic Chevy S10... anyway...

: The 4x4 indicator light will not illuminate when I shift into 4wd mode. I
: tried 4 hi and 4 low (don't worry I was just testing it, I know better than
: to drive around in part time)

: The indicator DOE light up when I first start the truck up, and the gauges
: etc light up the lights and shut off as they normally do. This tells me the
: bulb is good and the thing is getting power to it. I know about the
: electrical connector that goes from the front axle to the wire harness...
: that is plugged in on both ends. I know the thing worked when I first bought
: the truck. I shifted it into 4wd mode back then and it lit up. My question
: is, can anyone tell me what else I might look for that would be causing this
: problem? I consulted the FSM wiring diagram but that only served to confuse
: me more.

   I had this same problem when I put a 4" suspension lift on my '92 Ram...
Just trying to remember how I fixed it! :-) I *think* what the problem
was is that electrical connector to the front diff can be plugged in
either way (i.e. its not keyed). I had it plugged in backwards. I
don't know if that applies to your Dak or not, but it might be worth
having a look. Also look around that area to be sure there aren't any
loose, cracked, or disconnected vacuum hoses.

  If that's not it, you might want to verify that the electrical connection
is still OK, that it didn't get pinched or severed during the engine swap.

  Another wild shot in the dark... When you were testing, did you just
move the transfer case lever, or did you actually move the truck? With
my Ram, I will usually have to drive several feet after shifting from
2wd to 4hi or back, before the 4wd indicator light will come on or turn
off.

  Good luck!

-- 

-Jon-

.---- Jon Steiger ------ jon@dakota-truck.net or jon@jonsteiger.com -----. | I'm the: AOPA, DoD, EAA, NMA, NRA, SPA, USUA. Rec & UL Pilot - SEL | | '70 Barracuda, '92 Ram 4x4, '96 Dakota, '96 Intruder 1400, '96 FireFly | `----------------------------------------- http://www.jonsteiger.com ----'



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