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Convert to a 2 bulb tail light setup.,
Wiring for 93-97 Ranger:


So I got some 04 ranger tails off ebay for my 97 ranger, i was told the newer tails were all the same design.
The tails fit fine, except they switched to a 2 bulb setup in 98.. In the 98-00 tails there is a hole that can be punched out, and the third bulb on the 93-97 rangers inserted. On my new style tails there was no such hole. So i got out my hole drill bits and cut a hole in the new lights and filed in grooves to fit the bulb holders.

They fit in there perfectly, but since they shared the same reflective chamber as the tail/brake, the signal was barely visible day or night. They were not visible at all with the brakes on.

THIS WILL TELL YOU HOW TO MAKE THE BRAKE/TURN/TAILS RUN ON ONE DUAL FILAMENT BULB. THE TAIL LIGHT IS THE MINOR FILAMENT, AND THE BRAKE/TURN SHARE THE MAJOR FILAMENT. WHEN TURN SIGNAL IS APPLIED THE MAJOR FILAMENT BLINKS, IF BRAKE ARE ALSO APPLIED THE MAJOR FILAMENT ON THE OPPOSITE SIDE STAYS CONSTANT.

So what i did is i bought a trailer convertor kit from Hopkins Mfg., the real purpose of it is to be able to hook up a vehicle with separate turn signals, to a conventional trailer lighting system.

HOPPY PN 38925
hoppy
http://www.hopkinsmfg.com/38925.html


Goto the rear of your truck and up under the bed by the bumper, there is a connector that connects the rear light harness to the lead from the front of the truck.

Disconnect that, then cut off the female end leaving about 3-4 inches so you can splice. cut both ends of the convertor wiring to 6/". it may be helpful to pop out the little plastic rivets holding the wiring up so you can work on it easier.

Connect wires as follows:
Truck -> convertor
Black -> White (ground)
Brown -> Brown (Tail/Parking)
Green -> Red (Brakes)
Orange w/ blue stripe -> Green (Right signal)
Green w/ orange stripe -> Yellow (Left signal)

You also need to run an extension wire for the reverse lights, independent of the convertor. use a section of extra wire you cut off the convertor ends, and splice in between the Black w/ pink stripe wires.

After that is complete, you then have to splice the opposite side of the convertor into the rear harness.

There are 4 outputs:
Convertor -> Truck
White -> Black (ground)
Brown-> Brown (tails)
Green -> Green (Right turn/stop) THIS WILL BE EXPLAINED BELOW!
Yellow - Green (left turn/stop) SAME MESSAGE AS ABOVE!

So you will see 2 of a few wires lower in the harness, apparently the shared functions, like brake, reverse, tail run to one side and run back.. Splice the Green wire from the convertor into the Green wire you cut when you chopped off the harness (the harness end, not the connector end which you already spliced!).

Then the green wire which is running back from the right side, cut that and splice the Yellow wire from the convertor into the side of the wire that runs to the left. The idea is, the brake output runs through the turn signal wire son the convertor, but needs to run through the brake light wires on the truck, since thats where the dual filament bulb is connected to.

All done with the wiring! You can chop off the old turn signal bulb holders, then cap those wires and any unused wires so you dont get confused in the future. use some plastic wire shielding stuff, electrical tape it up or use heat shrink on the splices. this is to make sure all the wiring is water proof.. Secure the convertor and wiring with zipties, plastic pop rivets etc.

NOTE: I used all butt connectors for the splicing in this job.

The last step which you may or may not need to do is replace your flasher relay with a heavy duty trailering one. I had to, because my turn signals would flash rapidly when the brakes were applied at the same time.. it was like $12 at autozone.

BEFORE: old

AFTER
new



AIR BAG DIAGNOSTIC MONITOR FAULT CODE PRIORITY TABLE

Priority Code Component/Fault Description

Highest -- No Air Bag Lamp - Inoperative Lamp Circuit or No Ignition Voltage to Diagnostic Monitor

-- Continuous Air Bag Lamp - Diagnostic Monitor Disconnected or Inoperative
12 Low Battery Voltage
13 Air Bag Circuit or Crash Sensor Circuit - Shorted to Ground
21 Safing Sensor - Not Mounted on Vehicle Properly
22 Safing Sensor Output Circuit - Shorted to Battery Voltage
23 Safing Sensor Input Feed/Return Circuit Open
24 Open in Circuit 944B or Low Resistance in Crash Sensor(s)
32 Driver Side Air Bag/Safing Sensor Circuit-High Resistance or Open
33 Pin 7 Not Grounded at Diagnostic Monitor
34 Driver Side Air Bag/Safing Sensor Circuit-Low Resistance or Shorted
35 Low Resistance Across Pins 8 and 9 at Diagnostic Monitor
41 Crash Sensor Circuit - High Resistance or Open
44 RH Crash Sensor - Not Mounted to Vehicle Properly
45 Center Radiator Crash Sensor-Not Mounted to Vehicle Properly
46 LH Crash Sensor - Not Mounted to Vehicle Properly
51 Diagnostic Monitor Internal Thermal Fuse - Blown and Short to Ground No Longer Exists
52 Backup Power Supply - Voltage Boost Fault
53 Internal Diagnostic Monitor Fault

Lowest -- Rapid Continuous Flashing of Air Bag Lamp - All Crash Sensors Disconnected

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