The ground for the headlights is on the fender well near the computer on the firewall side. You should try checking those grounds.
Where is the OBDII port located? Isn't it right under the dash a little to the left of the steering column?
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Herc.Custom Green paint. RC 4". 5 Goodyear 33X12.5 MT/R w/Kev. Cragar V5's. Corbeau Moab seats. Optima Yellow.XRC8 Comp Winch. XJ 4.0/AX15
WTT: 4" springs for 6"
WTS: 4.2 parts. Fuel lines, pump, block, head, accessories, just ask