Yeaahhh...

Brilliant.

Thanks,

Jim

On Wed, Jul 31, 2013 at 7:10 PM, David Beierl <dbeierl@attglobal.net> wrote:

> At 07:54 PM 7/31/2013, Jim Felder wrote:
>
>> What about this: put a regular relay into the backup circuit, where the
>> trigger wire is the hot wire from the reverse switch and opposite that is
>> the ground. Rather than have the main 12v source to the light running
>> though the other two terminals, these terminals would take a trigger from
>> the dash switch, which would operate r a second relay. The power circuit
>> of
>> that relay would go from the battery, through the relay,  to the light.
>>
>
> Use one relay.  Take the 86 feed from the backup light switched circuit.
>  Run the 85 terminal up forward and use your selector switch to ground it
> when you want the extra light to activate with the regular ones.
>
> Yours,
> David
>