Operation CHARM: Car repair manuals for everyone.

Load Test

1. Switch the tester to the ammeter function.
2. Connect the positive and negative leads of the tester to the battery.
3. Connect the current probe to the generator B+ output lead, Circuit 38 (BK/O).

130 Amp Generator:






4. With the engine running at 2000 rpm, adjust the tester load bank to determine the output of the generator. Generator output should be greater than the graph shown below. If not, refer to the Symptom Chart for diagnostic procedures.