hole in fire wall

This may sound dumb but where can I find an easily accsesible hole in the firewall to run wires through to install fog lights on a 91X? I really would prefer not to drill one.

 

[Byrd91]

There's one about 1.5" in diameter down by the steering column thats got a rubber plug in it. Its easier to find from the engine side than the passenger compartment.

 

[Hartman]

How would you go about finding it from the inside?

 

[Byrd91]

Stick something through it, its not really hard to find from either side.

 

[93Ranger]

under the dash, look around, you'll see a rubber gasket that looks like a condom (sorry, but thats what it looks like) still rolled up. thats about a 1.5" hole there.

thats usually the hole people use for everything. i have no idea why its there anyway, what was ford's purpose?

 

[TSTONE]

follow the speedo cable down it has the largest and most plyable plunger on the fire wall typically