

Micro Switch – In Normally Open state, Time Delay closed Troubleshooting Chart for the 1979–1982 DE, DE4 Symptom Possible Cause Remedy Batteries will not charge Accelerator pedal not at rest position and wiper arm is not completely on the first contact block Refer to Speed Switch Adjustment Section hereĬorroded or loose battery connections Check, clean and tighten connections Faulty Battery Test each Battery while completely disconnected from the series Faulty Charger Use multimeter and test output voltage Will not go in forward or reverse Faulty batteries or connections Inspect batteries and clean connections Faulty key switch Test key switch with continuity tester Faulty speed switch Check speed switch connections Solenoid "B" not energizing Check cabling to Solenoid "B"įaulty Motor Follow Motor trouble shooting procedures Forward Works, no reverse Faulty key switch Test key switch with continuity tester Solenoid "R" not energizing Check cabling to Solenoid "R".Solenoid “R” Closed – Voltage applied to small terminals, continuity across large terminals.Solenoid “B” Closed – Voltage applied to small terminals, continuity across large terminals.Speed Switch – Contact with #3 Speed Terminal.All other solenoid functions remain the same through the four speeds.

Solenoid “R” reverses S1 and S2 connections and the Traction motor turns in the opposite direction. The Key Switch is set to “REV” and activates Solenoid “R”. R6 – Copper Strap to Solenoid Terminal F5, Black wire to Traction Motor Terminal A1į1 – Copper Strap to Solenoid Terminal R4į3 – White wire to Solenoid Terminal R3, White wire to Solenoid Terminal C2į4 – Copper Strap to Solenoid Terminal F6, Black wire to Motor Terminal S2į5 – Copper Strap to Solenoid Terminal R6į6 – Copper Strap to Solenoid Terminal F4 R5 – Copper Strap to Solenoid Terminal R1 R4 – Copper Strap to Solenoid Terminal B4, Copper Strap to Solenoid Terminal F1 R3 – White wire to Solenoid Terminal B1, White wire to Solenoid Terminal F3 R1 – Black wire to Motor Terminal S1, Copper Strap to R5

Speed Switch Terminal – White wire to Terminal 15 on Switch Wiper Arm (2), Black wire to Right Diode 21.Speed Switch (Contains Terminals 7, 8, 9, 10).Key Switch Terminal – Yellow wire to Reverse Buzzer 19.Key Switch Terminal – Red wire to Solenoid Terminal B2.Key Switch Terminal – Blue wire to Solenoid Terminal F2.Key Switch Terminal – Green wire to Solenoid Terminal R2.Key Switch – 4 wires (Green, Blue, Yellow, Red) For terminals 2, 3, 4, and 5.
