specequip, your truck appears to be having a problem with it's voltage split. With the vehicle's drive wheels off the ground, disconnect the battery from the truck. Discharge the speed controllers capcitor item 14 with a DVOM. Once the capacitor is discharged place the leads of the DVOM T2 to POS as shown on pp 24 of the GEK publication, turn on the KS, place the directional control in either FWR or REV with brake pedal up, park brake off, seat occupied and the accelerator depressed from low speed to high. Note what the voltage readings are throughout. Post the results.