ed hess said:try twisting the pin switch back and forth, if there is some corrosion on it it will then make a contact, seen it on mine.
ed
4C FED said:I had/have a similar problem.
Read here: http://www.syty.net/phpBB2/viewtopic.php?t=11930
Still haven't figured it out.
Update:
I did check the passengers side door switch & the wire (as far back as I could go) the other day. Looked OK, so I'm still not sure.
I think I'm just going to leave the under dash courtesy lights inop.