[69cougarguy]

I just replaced all the instrument cluster lights with LEDs. WoW what a difference, however all the idiot lights don't work incl seat belt warning light, door ajar light, and the brake warning light. Could I have damaged the circuit board?

 

[69cougarguy]

The 3 bulbs in question were miss marked so I installed them backward. Circuit board is fine

 

[woodsnake]

Thank for posting the fix! Does the dimmer switch still perform as it should?

 

[AndyM]

you had to use a circuit board for the LED's? Sorry, just trying to learn since LED's are part of my plan. I am planning to do a fade off for the interior lights.

 

[yeloxr7]

you had to use a circuit board for the LED's? Sorry, just trying to learn since LED's are part of my plan. I am planning to do a fade off for the interior lights.

69 and later instrument clusters use a printed circuit to power the lights and gauges. I think that is what he means when he refers to the "Circuit board".

 

[AndyM]

Ah, that makes a little more sense.

 

[purrvert]

Hey guy,

Could you share the source and catalogue number of the LED bulbs that you used??
Also, did you order a certain number of bulbs, or are they sold as a package for a "69 XR7??

Thanks,
Larry