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Posted

Hi. I wonder if anyone can help, I've just fitted a diesel tuning box that is equipped with a dash switch to select one of 2 settings or to switch it off.

My problem is that the cable for this switch is fitted with a jack plug (approx 8mm diameter) and i'm struggling to get it from the dash (next to traffic master switch) through to the tuning box located next to the brake fluid pot. I can't see any natural route. Has anyone run anything similar through the firewall and if so can you give me a hint.

As for the box I've just completed a 500 mile round trip with the caravan on the back and so far i'm impressed there is now a definite eagerness that was lacking beforehand

BTW the car is a 54 VTR estate (2.0 HDI)

Any help would be appreciated.

 

Cheers

DAlex

Posted
At the top left side of the firewall the main cable loom goes through. When I fit the towbar I was able to push the 12v supply wires through this. You would struggle with an 8mm cable though but worth a look. Your easiest option may be to drill a new hole.
Posted
At the top left side of the firewall the main cable loom goes through. When I fit the towbar I was able to push the 12v supply wires through this. You would struggle with an 8mm cable though but worth a look. Your easiest option may be to drill a new hole.

 

Many thanks Paul, do you mean top left as looking under the bonnet or the passenger side from the inside.

I think you might be right with the suggestion of drilling a new hole,

Would you happen to know if the fire wall in that area is a single or double skin.

 

Cheers

DAlex

Posted
I think you might be right with the suggestion of drilling a new hole,

 

Make sure you can SEE both sides of the firewall. It would be a disaster to drill into something behind the dash.

Posted
Can you fit the switch under the bonnet ? Surely you don't need to adjust it while driving ?

 

As a last resort that's were it will have to go.

The idea of the switch is that it has 3 settings (Off, Low/Medium boost and finally a pre-selectable Higher boost ) These settings have to be selected with the ignition off and the plan was to be able to just switch it over whenever I hitch up the caravan.

 

Thanks for the suggestion

 

DAlex

Posted
As a last resort that's were it will have to go.

The idea of the switch is that it has 3 settings (Off, Low/Medium boost and finally a pre-selectable Higher boost ) These settings have to be selected with the ignition off and the plan was to be able to just switch it over whenever I hitch up the caravan.

 

Thanks for the suggestion

 

DAlex

Hi

Are you able to extend the cable as you could go along the chassis or under the heat shields and up through the inspection cover for the fuel tank under the back seat. Just make sur its secure and insulated and kept away from other wires. If its live then consider putting it inside a piece of plastic tubing and silicone both ends

Posted
you could go along the chassis or under the heat shields and up through the inspection cover for the fuel tank under the back seat.

 

This is a better idea than drilling holes in the bulkhead. When I fitted my towing electrics I ran the cables from the battery, down the back of the engine, through the fuel pipe conduit, over the fuel tank and through the inspection disc and into the load area.

Posted
This is a better idea than drilling holes in the bulkhead. When I fitted my towing electrics I ran the cables from the battery, down the back of the engine, through the fuel pipe conduit, over the fuel tank and through the inspection disc and into the load area.

 

Thanks guys, I like the idea of not drilling holes through the firewall.

The cable has quite a long length anyway but I should be able to get an extension from maplins.

Thanks all round

 

DAlex

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