Locker light theory

pdavey · Post by **pdavey** » Sat Feb 16, 2013 3:22 pm

Everyone by now knows that I replaced my 4x4 indicator switch last week. A few months before that I was having my RR locker light and SERV 4x4 light come on periodically. Then my 4x4 indicator light malfunctioned and I continued to have random RR locker light blinking. Well, after I replaced the switch, I haven't had the light come back on.

It could be just a coincidence and I will continue to monitor it, however given the way the switch works by sending a different voltages to the smart bar based on resistance in the switch I am wondering if it hasn't been sending a bad signal for a while causing interference in the smart bar which caused the RR signal to go wonky.

Again just a theory but thought I would throw it out there.

Sent from my DROID DNA

w2dodge · Post by **w2dodge** » Sat Feb 16, 2013 4:36 pm

Damn why couldn't you post this yesterday ?....only kidding...I just dropped off the pw at the dealer...the new smart bar didn't help...their answer was rear plug and rear actuator....pdavey all you changed was the transfer case switch ?

pdavey · Post by **pdavey** » Sat Feb 16, 2013 4:40 pm

Yep. When I had my axle bearings changed I didn't have them change the locker as the locker works.

Remember the dealer is just a parts replacer. I hope it fixes your problem and have no clue if my theory is right, however it seems solid given what I know about the smart bar.

Sent from my DROID DNA

w2dodge · Post by **w2dodge** » Sat Feb 16, 2013 4:46 pm

I bet your right...my lockers and sway bar all work fine....Im off from work,so I just let the truck run in my driveway for an hour the lights went on and I called the dealer,drove it there and told the mechanic the issue....for sure it's a little stupid thing that causes this issue

TwinStick · Post by **TwinStick** » Sun Feb 17, 2013 10:18 am

My theory/s: The SLIGHTEST bit of corrosion on plugs/wires/connectors can change the voltage. And: the SLIGHTEST bit of dust/dirt/smoke film/etc on the switch contacts can also change the voltage.

Countryman93 · Post by **Countryman93** » Sat Mar 30, 2013 9:34 pm

bringin this back to life because my serv 4wd and the rr lights came on today i used the 4wd and smart bar yesterday all worked fine, well today it was fine for like 160miles until i got into some wet roads then the lights came on. is it possible that the moiture affected it? its never done it before. ideas? i never had the time ot put some dielectric grease on it or nothing so its been just exposed like factory

JBM Power Wagon · Post by **JBM Power Wagon** » Sun Mar 31, 2013 12:04 am

Put some dielectric grease on the sway bar and locker connections ASAP! Then apply a good coating of fluid film to them too! My sway bar wouldn't reconnect after some icy water crossings and some grease and fluid film fixed everything. I was just lucky the circuits weren't fried. Do it now, don't procrastinate and risk permanent damage.

Countryman93 · Post by **Countryman93** » Sun Mar 31, 2013 9:29 pm

well its going to shop tomorrow because they screwed some crap in my tranny up and i will lol the sway bar seems to be reconnected, and what is fluid film ic everyone talking about it

w2dodge · Post by **w2dodge** » Sun Mar 31, 2013 9:37 pm

i would disconnect all the plugs blow them out ,make sure their dry and all wires are intact ...wd 40...dielectric grease,liquid electric tape..use these on everything ,smart bar,locker plugs etc...good luck

Countryman93 · Post by **Countryman93** » Mon Apr 01, 2013 9:18 am

thanks guys i will do this right when i get it back from the shop that screwed my tranny up lol. but i need to get it done since i have a 330mile move in 10days lol so much to do to the wagon with like 3days to do it all... if this ^^^^^ doesnt help what are some possiblitlites? it does it now even on dry roads?

TwinStick · Post by **TwinStick** » Mon Apr 01, 2013 11:19 am

Once you get everything working again, it will be MUCH easier to carefully remove all the plugs associated with the lockers, swaybar & 4x4 & spray with a liberal amount of Fluid Film, then carefully put them all back together---than it will to repeat the process you just went through doing this. I'm just sayin.

That shit is magic in a can.

Countryman93 · Post by **Countryman93** » Mon Apr 01, 2013 1:47 pm

lol Fluid Film (aka liquid electrical tape????????????????????) or what is fluid film im so confused sorry guys

Dawizman · Post by **Dawizman** » Mon Apr 01, 2013 4:00 pm

It's a rust & corrosion prevention product. It works very well as an undercoat, or on electrical connections. It keeps water out, somewhat like wd40.

Countryman93 · Post by **Countryman93** » Mon Apr 01, 2013 4:36 pm

ideas where i find it i never heard of it till i got on this forum lol and ive been on forums for like 4 yrs lol (jeep,Chevy,Ford forums)

VA_Wagon Man · Post by **VA_Wagon Man** » Mon Apr 01, 2013 5:08 pm

Any John Deere place and most tractor places......

Sent from the middle of nowhere.

Dawizman · Post by **Dawizman** » Mon Apr 01, 2013 5:08 pm

Go to their website & put your zipcode in.

http://www.fluid-film.com/shop/

Countryman93 · Post by **Countryman93** » Mon Apr 01, 2013 5:13 pm

thanks

TwinStick · Post by **TwinStick** » Tue Apr 02, 2013 12:49 am

Dont forget to also do the backside of the connectors (where wire goes into the plugs). I live in the worst state for salt use in winter. Mine still lock up in about 5 sec or less.

Countryman93 · Post by **Countryman93** » Wed Apr 03, 2013 2:41 pm

so the truck is finally in my hands today so i can work on it. i think i figured something out with my issue, when the serv 4x4 light comes on and the rr wants to kick in if i turn left and right and get the truck swaying it turns off. possibilities? i was thinking the smart bar isnt staying connected? the light shows its connected but i read somewhere where a guy cudnt get it reconnected and flexed it alittle and it reconnected. i really dont know whats going on so im trying to think of ideas. im about to go clean all the connectors and all that good crap so i would like some more ideas on this lol ive never really dealt with lockers much and deffinatly never a smart bar

fbenross · Post by **fbenross** » Wed Apr 03, 2013 11:54 pm

I never had a problem with my lockers/smart bar untill I did a stream crossing on vacation...got the serv lite...and it came on less and less as it dried out. When I got home I cleaned the smart bar connector pins with contact cleaner-blew out with air-put dilectric grease on the connector sealing surfaces' (remember don't put the grease on the contacts) then sprayed a 3M wax based corrosion sealer over the top..no more issues...the snorkel kit should include a smartbar/winch addon...

Countryman93 · Post by **Countryman93** » Thu Apr 04, 2013 11:11 am

So Far so good, i did the smart bar plug and was going to do the locker plugs but i cant get them off.... but then i took it into town then i went down a level b in 4wd with bar disconnected came back reconnected and still not serv 4wd light... i leave tomorrow for a 200mile trip(same one that the light came on during) so that will be the real test

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Locker light theory

Locker light theory

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