Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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No-Load Test






No Load Test:





1. Connect test equipment as shown. Ensure current is not flowing through ammeter. Ensure starter is securely mounted in vise.
2. Disconnect starter from battery, then reduce resistance of rheostat until voltmeter indicates reading obtained while starter was running.
3. Ammeter should indicate starter no load current draw.
4. If current exceeds specifications, check for rubbing armature, bent starter shaft, binding starter bearings, or electrical shorts in armature or starter brush assembly.