What Are the Causes of Weak Car Starter Performance?

[OFrancisco]

Reasons for weak car starter performance: 1. Power cable failure: Check the battery capacity and the connection of power cables; 2. Battery depletion: Ensure the battery has sufficient capacity and the wiring connections are good; 3. Short circuit or open circuit in the solenoid hold-in coil: Short-circuit the two main terminals of the starter solenoid switch. If the starter operates normally, it indicates a short circuit or open circuit in the solenoid hold-in coil; 4. Poor contact between the main contacts and contact disc in the solenoid switch: Use a metal strip to short-circuit the two main terminals of the starter solenoid switch. If the starter performs strongly after short-circuiting, it indicates poor contact between the main contacts and contact disc in the solenoid switch; 5. Excessive wear of starter brushes or weak brush springs.