TST507 repeater

[RazorbackTraveler]

I’d like to wire up the repeater for TST 507 so that it is on while the trailer is plugged into the truck. I wondered if I could tap into the umbilical cord?

[jkwilson]

No. The 12V line on the cable is connected to the trailer battery so it has power all of the time.

[ckreef]

Connect it to your front trailer marker lights. Run with your lights on and the repeater is on. I've done this on two different GD trailers.

[RazorbackTraveler]

Connect it to your front trailer marker lights.

Is there a convenient place to access wiring for the front marker light?
Looks like the easiest place would be behind the passenger side marker light closes to the door. I would really like to be able to install the repeater in the front storage area.

[jkwilson]

Junction box behind the pin box

[ckreef]

Is there a convenient place to access wiring for the front marker light?
Looks like the easiest place would be behind the passenger side marker light closes to the door. I would really like to be able to install the repeater in the front storage area.

On my 337rls there is a bundle of wires coming from the front cap, through the drivers side propane storage area and into the the front storage area. In that bundle of wires is a thin solid green wire (12 +) and solid white (ground). Those were my marker light wires. I tapped into those and installed my repeater in the driver's side propane storage area on the outside wall.

On my 2600rb I cut out a little piece of the front wall in the pass through storage to gain access to the passenger side marker light wires.