The only thing I can tell you is that most of the pre 1986 244's had major wiring problems, that is why they sell complete wriing harnesses for them. The insulation just disappears from the wires. More than likly you have a shorting wire. I know it is a PITA to find but it can be done with a little patience. You can make your own harnesses if you take you time and follow each wire, but that again is a pain in the rear. Several places sell the wiring harnesses. One other thing you might check is the AMM and the connection to it as well as the connecting wires. Last thing I can think of is that a lot of the 244's also had dist. cap twitches. Changing the cap seemed to solve a lot of the problems....Max :<)
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Max..1989 244 DL 5 Spd., V15 Phase II Cam Bilstein HD, Turbo Swaybars, Poly Bushings all round, Turbo Wheels, Black leather interior, Electric mirrors, LED dash and gauge lights and now NEW ECODES with the turn signals, 1992 black 244 next project