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[Ratty]

was thinking of pulling the climate panel but wasn't sure if it would cause a fault to display needing a Tech 2 to clear it

the bulbs were replaced with normal bulbs all 1.2w as I was advised in another thread i started on here.

[I_want_an_Omega]

In looking @ the circuit diagram, the dimmer module inside the switch is an electronic circuit that will dim the lights and also if it senses too great a load it shuts itself down, so the only way to solve the problem may be to disconnect things until the fault clears.

You should be ok disconnecting the climate, or just remove all the bulbs.

I recall that the climate may need to be reset - but the book tells you how to do that - by pressing lots of buttons @ the same time as I remember.

There is no chance you have dropped a nut or screw in there somewhere at all?

[Ratty]

In looking @ the circuit diagram, the dimmer module inside the switch is an electronic circuit that will dim the lights and also if it senses too great a load it shuts itself down, so the only way to solve the problem may be to disconnect things until the fault clears.

You should be ok disconnecting the climate, or just remove all the bulbs.

I recall that the climate may need to be reset - but the book tells you how to do that - by pressing lots of buttons @ the same time as I remember.

There is no chance you have dropped a nut or screw in there somewhere at all?

I'll try removing the panel in a while when i get a chance (knew I should have put a cord or something on the panel release bar when i had it out last time ) and no, no screws etc were dropped at least not as far as I'm aware anyway.

[Ratty]

Just been out and took the climate panel off, still no dash lights, removed the bulbs and plugged panel in, no dash lights

checked all the wiring behind the panel, all looks ok but still no dash lights

   

[I_want_an_Omega]

I think that you have to stick 12v (via a 5amp fuse) into pin 58d & see what happens. If nothing happens or the fuse blows then the fault is with the wiring, if the lights come on then its the switch.

You can also get to the lighting feed from the sat-nav connector in the passenger footwell behind the kick panel. The wiring colours etc are in the Carin how to guide.

HTH

[Ratty]

Just tried the 12v on 58d, and nothing, the wire did start to get warm so disconnected it...

I'm losing the will to live here... LOL

[TheBoy]

Ratty, do you ever get as far South as Brackley (M40 Jnc 10 or M1 Jnc 15a)

[Ratty]

not as a rule, but it's a straight run from here, about 35 miles. so I can get there easy enough, If I remember rightly there used to be a truck stop in Brackley that I used to have breakfast at when I was driving artics 

[TheBoy]

not as a rule, but it's a straight run from here, about 35 miles. so I can get there easy enough, If I remember rightly there used to be a truck stop in Brackley that I used to have breakfast at when I was driving artics 

I think there is a truck stop down near Tescos somewhere. Never found it myself, but know Diesel Dean used to overnight there (we never managed to meet up though )

[TheBoy]

One last thing, no gay blue LEDs involved?

[Ratty]

no, normal bulbs all the way even taken the "gay" sony out to eliminate that

[TheBoy]

ok, let me look over the wiring diags.  I may get you to check stuff you've already done, apologies if thats the case 

[Ratty]

Cheers TB, any help is appreciated, going over stuff I've already tried is the easy bit I just repeat what happened when i tried it

[TheBoy]

To clarify, none of the backlighting is working (instruments, climate, autobox backlighting, radio, MID etc)

What happens to these devices when a) lights off, b) lights on

[Ratty]

side lights and headlights off and Ign on = MID, Climate displays and amber LED on the gear selector = lights on as normal

Turn headlight switch to side lights and dipped = MID and vent illumination on as normal, no switch lights on the climate panel, no instrument panel lights, and the amber LED on the gear selector goes out but the back light does not come on.

The dimmer has no effect at all during any of this.

edit: the climate displays are on with the headlight switch on as normal