I have a 1999 Ford Ranger, and am in need of the electrical schematics
(wiring diagrams) so that I can troubleshooot a problem I have with a
four wire trailer lighting system.

The running lights work, but the turn signals, brake lights, and
flasher signals do not work.

Does anyone know where I can purchase the factory electrical wiring
manual for this Ford Ranger?

Thanks for any help,

Bob

"seniorgeezer" wrote in message
ups.com...
I have a 1999 Ford Ranger, and am in need of the electrical schematics
(wiring diagrams) so that I can troubleshooot a problem I have with a
four wire trailer lighting system.

The running lights work, but the turn signals, brake lights, and
flasher signals do not work.

Does anyone know where I can purchase the factory electrical wiring
manual for this Ford Ranger?

Thanks for any help,

Bob

google is your friend.

"seniorgeezer" wrote in message
ups.com...
I have a 1999 Ford Ranger, and am in need of the electrical schematics
(wiring diagrams) so that I can troubleshooot a problem I have with a
four wire trailer lighting system.

The running lights work, but the turn signals, brake lights, and
flasher signals do not work.

Does anyone know where I can purchase the factory electrical wiring
manual for this Ford Ranger?

Thanks for any help,

Bob


Start with the multifunction switch in the column.

Al

"seniorgeezer" wrote in message
ups.com...
I have a 1999 Ford Ranger, and am in need of the electrical schematics
(wiring diagrams) so that I can troubleshooot a problem I have with a
four wire trailer lighting system.

The running lights work, but the turn signals, brake lights, and
flasher signals do not work.

Does anyone know where I can purchase the factory electrical wiring
manual for this Ford Ranger?

Thanks for any help,

Bob


For the manual if you want a factory manual then go to the dealer. There is
probably a phone number in your owners manual where you can order a manual
in book and/or CD by phone or online.
If you want to save about $100.00 then get a 3rd party repair guide such as
Haynes or Clymer from an autoparts store or online.

I had problems with my trailer wiring and found that my custom bumper/hitch
does not provide a sufficient ground through the hitch/ball. I have to take
some jumper cables and clamp from the truck frame to the trailer frame in
order to get things to work.

Kevin

probably a bad ground, most likely on the ranger

Check all your fuses in the truck. On my explorer (yes also a Ford) there
is a seperate fuse powering a set of relays that operate the trailer
interface cable. I can hear them click only when a trailer is hooked up.

If you installed the cable and connected the trailer and there was a short,
you will have blown that fuse.

If you wired your own harness, you still may have blown a fuse but it should
knock out the lamps on the vehicle as well. Check the continuity of the
trailers connector from each wire to the common ground. You should see bulb
resistance not a short and not an open.



"seniorgeezer" wrote in message
ups.com...
I have a 1999 Ford Ranger, and am in need of the electrical schematics
(wiring diagrams) so that I can troubleshooot a problem I have with a
four wire trailer lighting system.

The running lights work, but the turn signals, brake lights, and
flasher signals do not work.

Does anyone know where I can purchase the factory electrical wiring
manual for this Ford Ranger?

Thanks for any help,

Bob

I got so into trailer wiring I assembled a cheap light tester,
basically all the trailer lights on a short cord I could plug into the
towng vehicle. Makes troubleshopoting easy.

Found the bad towing vehicle ground fast!