fially got the 4-speed O.D in my 89 240,i took the overdrive harness out of the donor car,but i do not get power down to the overdrive unit on the transmission....what is the red wire coming up from down there?the yellow i see goes to the o.d. unit, i have power coming in via the small blue wire to the pulse button on the gear shift but nothing goes to the transmission,,, are the two black wires grounds?i changed the relay...have the blue wire hooked to # 11 on the fues box...the o.d. unit works with 12 volts supplied independently ..any clues ?what am i not seeing?...thanks in advance...kris
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