Question about 2007 Honda Ridgeline

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2007 ridgeline trailer connector brakelight and turnsignal connections have very weak voltage outputs and will not operate the trailer lights. The trailer operates fine on another vehicle. On a dvm the voltage ranges from approx 3 volts to 5 volts and will not operate the trailer lights. The grounds are all good and the truck turn and brake lights work fine..

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Hello: Check the complete Connector (truck side) for excessive corrosion this is a common problem in areas where a solution is used on winter roads. It can be so bad the complete connector end may have to be replaced.

Posted on Jan 02, 2011

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Want to put the connector on for a trailer which wires go where?

the dealer has a kit.
or go to walfart see rack with trailer kits. see if one fits yours.
or at any autostore on earth.
the trailer will be 4 wire and many cars (most) are not compatible to 4 wire trailers. L,R,T, Ground,
so that kit has the logic adaptor the makes it all work.

read the instructions if confused ask questions.

Jan 21, 2014 | 2007 Honda Ridgeline

1 Answer

When I turn on the headlights, the brakelights won't work including the turn signals. when the headlights are off, the brakelights and turnsignals work. what could the problem be?

My first thought would be a bad ground connection in the harness for the rear lights.
You might want to take a test light and check the contacts in one of the sockets.

Sep 20, 2012 | 1996 Pontiac Firebird

2 Answers


if ya bulbs are good, ya must have earth because other lights work. go for wiring and/or switch malfunction

May 10, 2012 | 1992 Chevrolet S-10

1 Answer

My tail lights wont work,lamps are good,brakelights work?Car has tow package.

You will need to check where they pigtailed in the connector for the trailer plug. You most likely have a couple bad connections there.

Aug 11, 2011 | 1996 Nissan Maxima

1 Answer

Trailer wiring problem. Tow vehicle is a 2008 Grand Caravan with 4 wire plug. Double checked, plug function works fine. When trailer is plugged to tow vehicle with tow vehicle lights OFF the trailer...

Most likely the brown wire from the trailer connector is connected to a constant battery voltage source, and it should be connected to the vehicle running light circuit, however someone might have wired the trailer connector up that way on purpose so that the trailer does not draw power from the vehicle running lights and possibly damage the vehicle running light circuit. (Dodge/Chrysler vehicles do have delicate lighting systems) Here are some images to help assist you, and the 4 way connector is the same as the 5 way connector just without the blue wire for the trailer brakes.






Jul 06, 2010 | 2008 Dodge Grand Caravan

1 Answer

1999 ford taurus tail lights, running lights and

You will have to check there is an output voltage from the switch ( suspect plug connector) . If you say the fuses are ok then you will have to try either a relay or fuse box connector . Good luck

Mar 12, 2010 | 1988 Ford Taurus

2 Answers

I attached a utility trailer to my truck, I can get the lights to turn on but can not get the turn signal lights or brake lights to work. tried 2 different trailers same result.

Late 2007 and up Raiders have the tow harness turned off in the FCM (front control module) configuration from the factory. For this reason, you will have tail lights, but brake/turns (require module to activate) will be disabled.

In order to crrect this, you need a factory scantool, so a trip to the dealer is required. The good news is they should NOT charge you anything for this service.

There is even a bulletin out to address this situation, the contents follow:

On some affected vehicles, trailer tow lights may not function due to an improperly configured Front Control
Module (FCM).
This Technical Service Bulletin advises dealers to reconfigure the FCM to enable the left and right trailer
tow relay outputs. Dealers should apply these instructions to affected vehicles in their inventory. Dealers
should also address any sold vehicles when they return to the dealership for routine service or repairs.
No parts are required.
Dealers should apply this Technical Service Bulletin to affected vehicles in their new and used vehicle inventories.
If an affected vehicle is observed with the described condition, confirm that this procedure has
not previously been performed, repair as described and submit a normal warranty claim using the following
Configure Trailer Tow Relay Outputs in FCM
Nature Code: 59Z Cause Code: 605
Labor Operation No.: 08H20182 Time Allowance: 0.2 hr.
Warranty Coverage: Basic Coverage - Refer to the Superscreen.
Special Warranty Information: Normal warranty procedures apply.

Oct 25, 2009 | 2007 Mitsubishi Raider LS

4 Answers

Trailer lights

This is the tow vehicle end. The brown wire ( #6 terminal) is the one to concentrate on. It must have a bad connection either in plug at bumper or wherever mounted, or follow it back toward front of vehicle, and will likely have a connector just behind bumper area, or up near frame as well. Best thing is to use a test light ($5-$10) and probe toward front until you get power showing, then work back to plug to isolate. Begin by checking terminal at plug with blinker on, if no flashing of test light, find brown wire on back of plug & test there, and keep going toward front of truck, especially concentrate on connection areas. Understand? If not, get back to me538a5b8.gif

Aug 29, 2009 | 2004 Dodge Ram 1500

1 Answer

2004 F250 No brakelights/turn lights on trailer

You will need to get a 12 volt test light and check the trailer connector for a voltage signal to the trailer, it may also have seperate fuses under the hood for the trailer lights if the system is factory installed, federal law requires the 2 systems be isolated, if there are blown fuses find the short in the trailer before replacing fuse(s), with no exceptions the short is always in the trailer. Hint, check the fuses 1st.

Jul 28, 2008 | 2002 Ford F250 Super Duty SuperCab

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