Installation Instructions for the Isolation Solenoid part # PK5231201

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Question:

Installation instructions and any compatibility issues ? please.

asked by: Lisa K

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Expert Reply:

I do not have specific installation instructions for the Isolation Solenoid part # PK5231201 on your 2004 Ford Explorer, but I can describe how it would install on your vehicle.

Using the picture I attached as a guide you run a wire from the positive terminal of your vehicle battery to the post on the left, and then on the right side of the solenoid you will run wire to whatever accessory you are looking to power. The middle terminal will need signal from a power source that only sees voltage when the key is on. In my car I ran a wire from the power wire for the traction control switch. Radio or ignition circuit work great for this as well.

expert reply by: Jameson C

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Answer 1

Sounds like you are talking about the 12 volt accessory circuit of a 7-way trailer connector. For some vehicles with factory 7-ways the circuit is only active when the key is on. Most however are on all the time. If the 7-way was hardwired to the…

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Answer 2

On the battery isolator, #PK5231201, the input should be coming from the battery, into the isolator, then out the other side to the 7-Way. The unit grounds through the mounting hardware. It will need to be attached to the metal of the engine…

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Answer 3

I can't help you with the power adapter for your older backup camera since we never carried that part, but I can help you make it so the tow vehicle you have won't continue to charge a trailer's battery when the vehicle is turned off to…

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Answer 4

Most if not all trailer wiring harnesses/connectors use larger wires for the 12 volt and ground circuits compared to the other circuits (lights). The sockets themselves don't have an amperage rating so you will go by the draw of the things…

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Answer 5

The black wire of the Hopkins 7-Way Molded Trailer Wire Connector #HM20048 carries the 12 volt accessory circuit. This is the circuit that will typically power interior lights or charge a trailer's battery. I attached a help article that covers…

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Answer 6

You will need a battery isolator, like Battery Isolation Solenoid, part #PK5231201, if you plan on leaving the trailer connected to the truck when the truck is off. If you unplug the 7-Way, the trailer battery cannot drain the truck battery. If you…

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Answer 7

I can certainly help you with that. Since the Curt T-Connector Vehicle Wiring Harness, part #C55384 is a 4-way connector the four functions will be Yellow for the left turn and brake, Green is for right turn and brake, Brown is for running lights,…

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Answer 8

The Prodigy P3 trailer brake controller uses a 4-wire hookup. The white wire is to be grounded to the battery negative terminal; the black power wire connects to the battery hot terminal through a circuit breaker; the red wire takes in the brake…

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Answer 9

The auxiliary 12-volt wire that runs from the 7-way connection to 7-way trailer plug will supply 12-volt power from the vehicle to the trailer. The 12 -volt power will allow interior or exterior lights to run that are not wired in to the…

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Answer 10

A 12V trailer power circuit will typically be wired with 12-gauge wire, part #12-1-1, but certainly there is no harm in using heavier 10-gauge wire #10-1-1. If one tow vehicle is longer than another, our installers may opt to use the heavier gauge…

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Answer 11

The only pin that should be continuously showing 12V power on the 7-Way connector on your vehicle is the 12V power circuit which is normally the black wire but not always. In 7-way wiring the 12V auxiliary power feed is carried on the contact at the…

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Answer 12

The Tow Ready wiring harness #118571 is rated for 7.5 amps for brake lights and turn signals and 7.5 amps total for running lights. The fuse that goes on the power wire connection to the battery is a 10 amp fuse. The wire gauge of the long 12 volt…

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Installation Instructions for the Isolation Solenoid part # PK5231201

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