Traliler package wiring diagram
SOURCE: trailer wiring diagram
Either buy an adapter that will go into your existing harness, usually up under, near rear bumper, you pull connector apart & put adapter in line, then you plug new flat4 into it. Otherwise I would pull inside covers of both tailights, use a 12 VDC light tester, and probe wires at right signal for flashing with blinker,and attach Green wire, from flat4 to it. Do same on left side & attach yellow flat 4 to it. Turn off blinkers, and just put your running lights on, Find wire with power on either side when running lights on, and attach brown flat 4 to it. Now find some clean metal in the area and attach white wire (ground) to it. Put inside covers back on & your done.
http://www.etrailer.com/faq_wiring.aspx
SOURCE: serpentine belt diagram for a 5.9 diesel with air and 9 pulleys
5.9L DIESEL
The 5.9L diesel engine accessory drive system (with a/c) consists of :
CAUTION:
When installing the accessory drive belt, the belt must be routed correctly. If not, engine may overheat due to water pump rotating in wrong direction. Refer to or for correct engine belt routing. The correct belt with correct length must be used.
1.
Position drive belt over all pulleys except water pump pulley.
2.
Attach a 1/2 inch ratchet to tensioner.
The 5.9L diesel engine accessory drive system (without a/c) consists of :
3.
Rotate ratchet and belt tensioner clockwise. Place belt over water pump pulley. Let tensioner rotate back into place. Remove ratchet. Be sure belt is properly seated on all pulleys.
SOURCE: factory 99 dodge trailer plug wiring
You'll need to disconnect the wires from either the truck connector or the trailer connector...
I highly suggest purchasing a voltage checker- it looks like a screwdriver with a pigtail of wire with an alligator clip on the end. The tip of the 'screwdriver' has a point for probing. The light in the probe will light up...makes it easy to trouble shoot without a helper behind the trailer.
Hook the aligator clip to a good positive grounding point on the bumper or frame(not painted).
then pin by pin on the truck connection, stick the probe on each terminal tab.. and write a simple diagram where you find brake, tail, backup, etc...
Then i'd suggest, taking the connector off of your trailer, exposing the wire ends.
Run again thru your diagram and turn on each light of the truck. As you do, touch the wires from the trailer to that specific terminal. (make sure your ground wire is attached on the trailer) you can mark each wire with a piece of tape and label it which is which.
then simply attach your trailer wires according to your diagram to the terminals in the connector... that should get you in business..
hope that makes sense...
That way if the factory wiring harness remains the same, you'll be able to use it with other trailers if the need arises..
SOURCE: serpentine belt diagram 2007 dodge 5.9 3500
get the belt routing from the local dealer.
they will not charge alot of money for a reprint from the factory service manual.
also
dayco belts come with the belt routing on the box.
SOURCE: trailer wiring harness diagrams W/o internet goose chase
Try this Link www.dodgeram.org/tech/mods/electric/trailer_wire.htm
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