plumbum

Starting to install my wideband O2 sensor and was wondering where is the best way to rout the wire through the firewall?

sparkyman215

I ran my wires up through the engine bay by the headers then into the battery area and through the firewall there. I was worried about heat on the wires going through the engine bay so I went to my local hot-rod shop and found header wrap to wrap the wires.

Techno Duck

Ran mine up over the bell housing and followed the oil fill tube to the top of the firewall. Then routed across by the brake master cylinder and through a grommet over there. Once by the fuse box, i routed it through another grommet into the cabin.

plumbum

Thanks DUCK! That will work with how I have started to wire it inside!

racerxrick

I drilled a hole in the side of the trans tunnel, popped a grommet in and routed through there. Easy and away from heat sources.

carlege

This seems to be the most direct way