What are the symptoms of a bad starter relay?
Depending on the age of the car, it usually manifests as absolutely nothing happening when you turn the ignition to start. No click. No series of clicks, just silence. Your accessories will operate, which is how you know it isn’t a bad battery, but you won’t get anything else when you go to start the car.
Alternator and Starter Diagnosis
Rotating electrical parts such as starters and alternators often have to be replaced on older, high-mileage vehicles. Fuel injection has helped prolong the service life of starters by allowing engines to start more quickly when they are cranked. Such is not the case with alternators. Higher electrical demands on charging systems have increased alternator failures.
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The starter solenoid is a fairly simple mechanism that transmits electrical current from the battery to the starter. When you turn the key, the solenoid engages, using the electrical motor in the starter to get your engine running. If the solenoid is not functioning properly, the vehicle may not start. Determining whether the issue is the starter solenoid, the battery or the starter itself can save you time and money when repairing it yourself and seeking to have the repair work done. Start by locating the starter and work to narrow down the cause of the issue.
Starter Problems-What Do You Hear When You Try to Start Your Car?
If your lights are bright with the engine off, but they get really dim when you turn the engine over with the starter, and the engine turns over very slowly, you may have starter problems. If battery terminals get hot along with the battery cable (positive and negative) you probably have starter problems.
Use Your Ears and Your Headlights to Help Diagnose Your Starter System
Funny sounds, or no sound, upon the turn of the key may indicate electrical problems in the starter or elsewhere in the starting system. Some of the most common electrical problems are corroded electrical connections, an undercharged or bad battery, or a malfunctioning component:
Troubleshooting Solenoid and Electrical Car Problems
The small electric current from the ignition switch forces the solenoid to clamp together a pair of heavy contacts. This allows the large electric current from the battery to flow to the starter and turn over the engine.
New starter, new relay, still having starting problems.
One day it just clicked, thought it was battery. next day I go out and it started right up. next time it did that happened I cleaned the main cable on the starter. started it and the the starter seems…