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Fog Light Mod For
'92 to '94 T/E/Ls

This mod allows your fog lights to be turned on anytime you want, but they still don't work with high beams. Because they can be turned on anytime, there is the risk of leaving them on during the day and running down your battery, so an indicator light is part of the mod.

Hardware you will need:
2 quick-disconnect connectors, 1 butt connector, a 3/16" ring terminal (all these are 18 - 22 size and should be of the insulated variety), a 12-volt LED with holder and built-in resistor - Radio Shack part# 276-084A, and a few feet of 18 or 20 gauge wire.

Tools you will need:
medium blade-type and Phillips screwdrivers, wire cutter/stripper/crimper, a 3/16" drill bit, and needle-nose pliers. A fine-tooth saw is optional.

Here is how I did it:

• Remove the padded knee panel below the steering wheel.
  • Use a blade screwdriver to remove the 2 small covers at the top at either end of the knee panel. They pop out but be careful not to break them.
  • Remove the screws at these locations as well as the ones at the lower corners of the knee panel, under the dash.
• Remove the air-conditioner duct that dumps air in your lap. There is just one screw and the duct unplugs from another duct.

You should now be able to access connector number C-06 which is a wide white connector with 20 pins just above and behind the lap duct.

• Pull it away from the other wire bundles coming from the steering column.
• Press the latch, which is under the foam-rubber pad that wraps around the connector, and pull the connector halves apart.
  

Connector C-06

On the steering wheel side of C-06 (female) we are going to connect the black wire in position #6 to the yellow wire in position #14 so that the fog light switch has power all the time. The #6 wire comes from the column light switch and is common to the "off" and "park" column switch positions. The #14 wire goes to the fog light switch. The firewall side of C-06 (male) has no wire in position #6.

• Cut #6 and #14 wires about 3/4 inch away from the steering wheel side connector.
  There isn't much slack in the wires so be careful.
• Strip about 1/4" of insulation off of all the cut ends.
• Crimp a butt connector to the short end of the yellow wire (#14).
• Twist the other end of #14 and the black (#6) together and insert into the empty end of the butt connector and crimp it.
• Reconnect the C-06 connector halves.

If nothing blew up you are ok and you should now be able to turn on the fog lights regardless of the column switch position. Check it out before continuing.

• Stuff the C-06 connector back up among the other wire bundles.
• Replace the lap duct.
• Replace the padded knee panel.
  Make sure the lap duct outlet and the panel outlet are plugged together properly.
• Pop the screw covers back on.

Now for the indicator light:

• Remove the narrow plastic trim piece between the instrument cluster and the HVAC control panel.
  Pull the top towards you and it just pops off. There are 2 screws under this trim piece.
• Remove the instrument cluster surround.
  There are 4 more screws: 2 under the top lip above the steering wheel and one at the bottom on each side of the steering wheel.
• Pull the surround away from the dash slightly.
• Disconnect the fog light switch and the lighting rheostat by squeezing their latches and pulling the connectors out.
• Remove the surround and lay it face down on a pad so it won't be damaged.
• Remove the 3 screws holding the switch assembly to the surround and remove the switch assembly.
• Use a flat screwdriver to depress the latch and remove the dummy plug from the switch assembly.

What we are going to do is connect one wire of the 12-volt LED to the red wire in position #2 of the fog light switch connector and the other LED wire to ground. When the fog light switch is turned on, the LED will be lit.

Fog Light Switch

You will have to apply power to the LED to determine which wire to connect to the switch and which to connect to ground. It does make a difference. Just reverse the connections if the LED doesn't light when the fog light switch is turned on.

The dummy plug is just that. It fills the position occupied by the head-light pop-up switch on the '90 and '91 T/E/Ls.

• Cut off about 3/4in of the back of the dummy plug using a fine-tooth saw.
  Just don't cut the latch part off. This will let us attach the LED easier. The dummy plug is a $3.50 item from your friendly dealer, so you can replace it easily if necessary. I bought one just in case.
• Mark the center on the front of the dummy plug.
• Drill a 3/16" hole through the dummy plug.
  Enlarge it just enough for the Led to fit all the way through from the front. Use a small round file or knife blade.
• Insert the LED and put the nut on the back.
  Tighten it with needle-nose pliers, but not too tight because everything is plastic.
• For the ground, crimp a ring connector to one end of a suitable length of wire, depending on where you choose to ground the LED, and the female part of a quick-disconnect to the other.
• Attach the ring-end to a convenient ground point.
  I used a screw behind the gauge cluster, but you might not want to remove the cluster just for this, although it is no big deal. I have done it a few times replacing gauge faces.
• Crimp the male end of a quick-disconnect to both of the LED wires.
  
• Cut a length of wire 4in - 6in and crimp the female end of a quick-disconnect on one end and strip about 1/4" of insulation from the other end.
• Attach the stripped end of this wire to the red wire at pin #2 of the fog light switch connector.
  You can cut the wires and use a butt connector OR you can remove the red wire from the connector and attach it there. I did it this way and it worked well.

  To remove the red wire:

  • Use a miniature screwdriver and press the latch for wire #2 from the front of the connector.
  • Pull the wire out the back of the connector.
  • Slide the stripped end of the 4" - 6" wire into the male contact of red wire #2.
  • replace the #2 wire in the fog light switch connector.
    This will trap your wire in the connector.
• Snap the dummy plug back into the switch assembly. It only goes one way.
• Reattach the switch assembly to the cluster surround with the 3 screws.
• Plug the fog light and rheostat connectors back in.
• Plug in the quick-disconnects for the LED.
• Turn on the fog lights to see if the LED lights. If it does -
• Replace the instrument cluster surround and plastic trim piece

Now you have fog lights you can turn on anytime AND an indicator light to remind you that the fog lights are on. The LED is bright enough to see well during the day, but you will get into the habit of turning off the fog lights easily enough.

Last updated on Feb. 2, 2000