lacroupade
Well-known member
- Joined
- Jan 14, 2009
- Messages
- 9,208
I think the box under the seat is something to do with the stereo system? someone will know for sure.
I still think your issue is using used oil!
well under the passenger seat it CAN be the CD changer but I have an idea that some early trucks had the ECU there as well....not certain though.