The switch for the dash can be installed by tapping into the wiring that travels in the harness to the console switch. It just supplies power for the indicator lights and the wires which are joined to power the rear window defogger relay. The only function that you would not get is the ability to dim the defogger "on" indicator light since that is a separate function on the '02 guage cpu. In addition, you would have to locate the 6 pin connector for the '02 defogger switch or wire the switch directly. It would be a pretty clean modification if you create a small subharness to run to the dash switch from the console defogger switch connector. The remainder of the modification circuit would be at the hardtop subharness (relay, diode(s), condenser, pigtail for softtop grid) to switch between the hardtop and softtop grids with the convertible top disable switch.

Using the Helms manual, pages 22-153-155:
The wiring would be:
Dash sw #1 --> Console plug #3 (Defogger relay, hot side of coil),
Dash sw #5 (indicator lamp) gets power switched from fuse 19
(dash sw #1 has two connections)

Dash sw #2 --> Console plug #2 (Fuse No. 23) switch lamp power
Dash sw #3 --> Console plug #1 (Dash lights brightness controller for switch lamp)
Dash sw #4 --> Console plug #5 (Ground, for indicator lamp)
Dash sw #5 --> Dash sw #1 (switched to hot (fuse 19) by the dash switch)

Dash sw #6 --> Console plug #4 (Fuse no. 19, power for indicator and defogger relay coil)

The dash switch should read (with the locking tab on the top): (in the 'on' position, 1,6 are closed, otherwise open)
==
[1][2][3]
[4][5][6]
Within the dash switch:
2,3 are the terminals of a lamp (function light)
4,5 are the terminals of a lamp (power on-off light)
1,6 are the terminals of an on/off switch

The console plug is
1: RED (dash lights brightness controller)
2: RED/BLK (12v from fuse no. 23)
3: YEL/BLK (would be the middle wire of the plug), not interchangeable with 4! (+) side of defogger relay coil
4: YEL/BLK (12v from fuse no. 19)
5: BLK (chassis ground G401)

This is as correct as far I can make out, but I would advise you to trace out the circuit before using the above information.

 

The formatting of the previous post did not come out well:
As noted, dash sw #1 has two connections:
1) Dash sw #1 --> Console plug #3 (Defogger relay, hot side of coil),
2) Dash sw #1 --> Dash sw #5 (indicator lamp) gets power switched from fuse 19 -- connect #1 to #5 on dash switch

 

If someone can host a picture for me, I can show you my ideas for modifying the hardtop subharness to power and switch between the softtop and hardtop defogger circuits. It can be done with a few dollars of parts, the hardtop subharness and a soldering iron. I should be building one in the next few days.

 

Hey fmah:
Great reply regarding how to do the wiring. I sure hope that someone nearby can help you with posting pictures of your modification. I am not sure if I will bother to run the control wiring to the dash yet, but will consider it. Thanks again for your help.
Now if I could just get the pictures of the frame install reposted....

 

What are the two straps for in the 02 top? I have not quite figured out where they need to go.