| Malfunction (Symptoms) |
Probable Cause |
Corrective Action (Remedies) |
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| Starter will not operate with gear shift level in Neutral and ignition switch on Start |
Weak Battery |
Test Specific Gravity; Recharge or replace battery |
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Loose Switch wiring connection to start relay |
Check and tighten |
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"Gear shift lever not properly activating the neutral |
park |
and backup light starting switch on transmission when in neutral or park position" |
"Check and adjust interconnecting linkage |
starting at transmission end." |
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Loose or open connection at start relay SOL terminal or start solenoid terminal (Small) on starter |
Check continuity and tighten or repair / replace as required. |
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Loose positive or negative cable connections or excessively corroded battery cable post(s) |
Tighten positive and negative cable connectors nuts / bolts or clean posts or cable attachment to starter and to coach frame. |
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| "Starter turns |
but drive gear does not engage" |
Broken teeth on ring gear of torque connector front cover |
Replace the torque converter front cover and examine teeth on the starter drive gear |
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Drive gear shaft rusted or dirty |
"Remove starter |
clean" |
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| Starter solenoid chatters when start switch is actuated |
Battery discharged |
Recharge or replace battery |
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Faulty wiring |
Test for open circuit between starter relay terminal and start switch on automatic transmission |
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"Neutral |
park |
and back-up light starting switch on transmission faulty" |
Replace |
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Start relay faulty |
Replace |
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Ignition-start switch faulty |
Replace |
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| Engine will not turn over |
Run down battery |
Recharge or replace battery |
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Starting circuit open |
Locate and eliminate open circuit |
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Cranking motor jammed |
Remove starter for teardown and correction or replacement |
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| Engine turns over slowly but does not start |
Excessively worn battery cable end clamps |
Replace cable assemblies |
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Run down battery |
Recharge or replace battery |
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Defective cranking motor |
Replace or repair starter |
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Bad connections in starting circuit |
Clean and tighten |
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