Volvo Auxiliary Switch connection point

[DG N. AL]

My 2012 Volvo VNL 630 has 3 auxiliary switches on the dash.  Can anyone tell me where the connection point for those switches is at.  I can't find anything behind the dash.  I have a couple of things I want to control with those switches.

[Sculptor]

So idk what your switch connections look like.  IF you have loose wires, maybe you can use them.  You said you can’t find any connection points, so there are no wires in the vicinity of the aux switches, or no loose unused connections anywhere behind the dash?

I found one or 2 of these were live when the key is on.  One was connected to The 12 volt outlet, one was live, one was dead.  I took a photo of these connectors but it was two or three years ago.  I wanted to find a matching connector for some reason.  Might have been because some are live and usable.

 

[DG N. AL]

4 hours ago, Sculptor said:

So idk what your switch connections look like.  IF you have loose wires, maybe you can use them.  You said you can’t find any connection points, so there are no wires in the vicinity of the aux switches, or no loose unused connections anywhere behind the dash?

I found one or 2 of these were live when the key is on.  One was connected to The 12 volt outlet, one was live, one was dead.  I took a photo of these connectors but it was two or three years ago.  I wanted to find a matching connector for some reason.  Might have been because some are live and usable.

 

After further investigation, I found connectors like you have pictured that went to the aux switches.  But all of these connectors were full.  The wires are labeled with "Pin" numbers (Pin 181, Pin 208, etc.)  I don't know where these wires go and they are impossible to trace.  One of the aux switches is in use (lights and a camera power).  As far as I can tell, the other 2 aux switches don't appear to control any thing.  I suspect they terminate at empty connectors some where on the frame as part of the "body builders" provisions.  The few online schematics I have have found are very vague.

[noteven]

Have a little look see at the information available here:

Body Builder Manuals | Volvo Trucks USA

There should be some wiring information. 

 

I see there is a "request for assistance" tab there as well. This should be VIN specific ...

[DG N. AL]

Just a follow up.  After asking 3 Volvo techs one finally showed me where the dash "Auxiliary Switch" wiring terminates.  There are 3 single pole Metripak 280 series plugs on the firewall under the steering column.  These are your connection points for the 3 "Aux" switches that are on the dash.

[Nwcid]

41 minutes ago, DG N. AL said:

Just a follow up.  After asking 3 Volvo techs one finally showed me where the dash "Auxiliary Switch" wiring terminates.  There are 3 single pole Metripak 280 series plugs on the firewall under the steering column.  These are your connection points for the 3 "Aux" switches that are on the dash.

 

Thank you for this.  I will have to check that out on mine.  I have 1 Aux switch installed.  I have no idea what it is connected to, if anything.  I did find the switch connectors in the date for Aux 2 and 3, but not where they came out either.