1990 GP SE...running power wire through firewall

[GrandPrixGTP95]

I cant find anywhere in the firewall to run a few power wires through the firewall for a few guages. In my 95 GTP there were a few grommets I could choose from, but I cant seem to find any on the 90.....and suggestions?

[Bake82]

There should be a large grey grommets to the left of the brake pedal. Pull back the carpet and you should see a bunch of wires coming through the firewall where you can punch a whole through that grommet and run your wires there there.

[digitaloutsider]

There will be one almost directly behind and up from the brake pedal. It's the gromet used for column shifting cars.