sierrafery
Well-Known Member
Do you have diff-lock too? cos if not that light woud be better IMO, though if you insist i'll tell you for the SLS
mad85
Active Member
Yes i do have cdl so i thought I better use a different light,as offroad i normally drive with cdl activated but rear diff will only be used for exceptional cases
sierrafery
Well-Known Member
The PK(purple/pink) in your diagram would light up the ORM light, for the SLS it's WO(white/orange) from pin 22 of C0223(it can be mixed up with 0229 in some cases but that one has BW at pin 22 and goes elswhere)... the warnings are not powered by those wires but earthed to come on. Disconnect the battery first if you unplug any of those connectors
Would it not be simpler just to have one of those switches that has a light in it?
mad85
Active Member
I will use one of those but im worried i won't notice the little light lol. I will even power the switch by the air compressor switch so that if the air compressor is off, the locker will automatically be off.
mad85
Active Member
I think then its the ORM light. I tested a bit, the sls light is the one at the bottom of the cluster and cant really see it lol. This is the one i want to light up
sierrafery
Well-Known Member
And what's wrong with the PK wire which brings it on? do you want to splice in other?
mad85
Active Member
using a multimeter i have determined that the light comes on when the PK wire does NOT have supply. so in order turn it on i would need to cut out supply not provide it. i think i could use a NC relay maybe. however realistically sounds a little too complicated for what is probably very little actual use lol
sierrafery
Well-Known Member
I'll not go deep into this now cos it's more complicated but i'll simplify, make a a test: get a piece of wire, connect one side to earth and the other to the pin with the PK wire, the ORM light should come on this way, if it does all you have to do is to use a two way 4 pin on/off rocker switch as to activate the locker through one contact and earth through the other spliced into the PK wire if you see what i mean, you can use any similar type switch important is to have two N/O circuits, i made a pic to be clear how to wire it:
1. red = power to the locker
2. blue, one side to earth the other to the PK wire
or you can improvise as you wish, the gist is that the PK wire must get earth while the locker is on, simple as that
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