caterpillar 320A engine starter not running Possible causes and troubleshooting methods are as follows.
the battery. https://www.heavydutydiag.com/product/caterpillar-et-2022a-electronic-technician-diagnostic-software/
(1) The battery output voltage is low. Check the condition of the battery. If necessary, recharge or replace
(2) Wire or switch failure. Repair wires or switches. If necessary, replace wires or switches.
(3) The starter solenoid coil is faulty. Install new starter solenoid.
(4) Starter failure. Repair or replace starter.
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