Having problems with your 1993 GMC G2500 ?
Gmc 2500 gmc turbo diesel 4x4
\015 Transmission drop out and in od at highway speed level roads\015
Check all electric connections going to transmission as (od) is electrically activated. check the conections and entire wire path for damage. OD can be disengaged by slowing speed or slight tap of brake pedal so check disengage switch and wires on brake pedal. I hope this is helpful, please rate me
Repair Help & Product Troubleshooting for 1993 GMC G2500
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