| Many starting system problems are the result of neglect. This chart will show you which problems you can fix yourself and which require professional service. | ||
|---|---|---|
| Problem | Is Caused By | What To Do |
| Engine does not crank (Solenoid or relay does not click) | Dead battery | Charge or replace battery |
| Loose, corroded or broken connections | Clean or repair connections | |
| Corroded battery terminals (lights will usually light) | Clean terminals | |
| Faulty ignition switch | Have ignition switch checked/ replaced | |
| Faulty neutral safety switch or clutch switch (To test: push on brake pedal, hold key in start position and move shift lever or clutch pedal) | Have neutral safety switch or clutch switch checked or replaced | |
| Defective starter switch, relay or solenoid. | Have defective component replaced | |
| Engine will not crank (Solenoid or relay clicks) | Low or "dead" battery | Charge or replace battery |
| Corroded battery terminals or cables | Clean or replace terminals or cables | |
| Defective starter solenoid or relay | Have defective component replaced | |
| Defective starter motor (if current is passed through relay or solenoid) | Have starter replaced or overhauled | |
| Starter motor cranks slowly | Low battery | Charge or replace battery |
| Loose, corroded or broken connections | Clean, repair or replace connections | |
| Cable size too small | Replace with proper size cable | |
| Internal starter motor problems | Have starter replaced or overhauled | |
| Engine oil too heavy | Use proper oil viscosity for temperature | |
| Ignition timing too far advanced | Set timing to specifications | |
| Starter spins, but will not crank engine | Broken starter drive gear | Have drive gear replaced |
| Broken flywheel teeth | Have flywheel checked | |
| Noisy starter motor | Starter mounting loose | Tighten mounting bolts |
| Worn starter drive gear or flywheel teeth | Have starter or flywheel checked | |
| Worn starter bushings | Have starter replaced or overhauled | |