| Symptoms | Probable Remedy |
|---|
| Battery Discharged: |
| Shorted Cell in Battery | Replace Battery |
| Short in Wiring | Check Wiring Circuit |
| Generator Not Charging | Inspect Generator and Fan Belt |
| Loose or Dirty Terminals | Clean and Tighten |
| Excessive Use of Starter | Tune Engine |
| Excessive Use of Lights | Check Battery |
| Insufficient Driving | Recharge Battery |
| Low Regulator Setting | Correct Setting |
| Stuck Cut-out in Regulator | Correct |
| Low Electrolyte Level in Cells | Add Distilled Water |
| Generator: |
|---|
| Low Charging Rate- |
| Dirty Commutator | Clean Commutator |
| Poor Brush Contact | Repair or Install New Brushes |
| Regulator Improperly Adjusted | Adjust |
| High Resistance in Charging Circuit | Clean and Tighten Terminals |
| Ground Strap Engine to Frame Broken | Replace |
| Loose or Dirty Terminals | Clean and Tighten |
| Slipping Generator Belt | Adjust Belt |
| Worn Out Brushes | Install New Brushes |
| Weak Brush Spring Tension | Replace |
| Out of Round Commutator | Repair |
| Fails to Charge- |
| Open Charging Circuit | Correct |
| Sticking Brushes | Repair or Replace |
| Dirty or Burned Commutator | Clean Commutator |
| Grounded Commutator | Repair |
| Open Circuit in Field | Repair |
| Weak Soldering on Armature | Repair |
| Grounded Wiring | Repair |
| Defective Regulator | Replace Regulator |
| Too High Charging Rate- |
| Regulator Improperly Adjusted | Adjust or Replace |
| Short in Armature | Replace |
| Grounded Field-to-regulator Wire | Correct |
| Shorted Cell in Battery | Replace Battery |
| Starting Motor: |
|---|
| Slow Starter Speed- |
| Discharged Battery or Shorted Cell | Recharge or Repair |
| Ground Strap Engine to Frame | Clean Terminals and Tighten |
| Loose or Dirty Terminals | Clean and Tighten |
| Dirty Commutator | Clean with No. 00 Sandpaper |
| Worn Out Brushes | Install New Brushes |
| Weak Brush Spring Tension | Replace |
| Poor Brush Contact | Repair or Install New Brushes |
| Worn Bearings | Replace |
| Burned Starter Switch Contacts | Replace Switch |
| Will Not Turn Engine- |
| Open Circuit at Starter | Correct |
| Solenoid Open or Stuck | Replace Solenoid |
| Starter Switch Defective | Replace Switch |
| Starter Drive Broken or Stuck | Repair or Replace |
| Battery Discharged | Recharge Battery |
| Distributor: |
|---|
| Hard Starting- |
| Distributor Points Burned or Pitted | Clean Points or Replace (Adjust) |
| Breaker Arm Stuck on Pivot Pin | Clean and Lubricate |
| Breaker Arm Spring Weak | Replace |
| Points Improperly Adjusted | Adjust .020" |
| Spark Plug Points Improperly Set | Adjust .030" |
| Spark Plug Wire Terminals in Distributor Cap Corroded | Clean |
| Loose Terminals | Check Circuit |
| Loose or Dirty Terminals on Ground Strap Engine to Frame | Clean and Tighten |
| Condenser Faulty | Replace |
| Improper Ignition Timing | Set Timing |
| Distributor: |
|---|
| Hard Starting- |
| Distributor Points Burned or Pitted | Clean Points or Replace (Adjust) |
| Breaker Arm Stuck on Pivot Pin | Clean and Lubricate |
| Breaker Arm Spring Weak | Replace |
| Points Improperly Adjusted | Adjust .020" |
| Spark Plug Points Improperly Set | Adjust .030" |
| Spark Plug Wire Terminals in Distributor Cap Corroded | Clean |
| Loose Terminals | Check Circuit |
| Loose or Dirty Terminals on Ground Strap Engine to Frame | Clean and Tighten |
| Condenser Faulty | Replace |
| Improper Ignition Timing | Set Timing |
| Lights: |
|---|
| Burn Dim- |
| Loose or Dirty Terminals | Clean and Tighten |
| Leak in Wires | Check Entire Circuit for Broken Insulation |
| Poor Switch Contact | Install New Switch |
| Poor Ground Connection | Clean and Tighten |
| Aim Headlamp Beams | Use Aiming Chart |
| Horn Fails to Sound |
| Broken or Loose Electrical Connection | Check Wiring and Connections at Horn Button and Battery-Clean and Tighten. |
| Battery Low or Dead | Check Battery. |
| Contact Points Burned or Broken Off | Replace Parts Necessary. |
| Horn Sounds Unsatisfactory Tone |
| Poor Electrical Connection | Check Connections at Horn, Horn Button, Battery. |
| Battery Low | Check with Hydrometer. |
| Loose Cover and Bracket Screws | Tighten Bracket Bolts at Horn. |
| Voltage at Horn too High or too Low | Check with Voltmeter. |
* Learn more about electrical from the Service Manual for Jeep Utility Vehicles, pages 149, 150
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