At Hammers Auto Service Shop Inc., we deliver expert auto electrical repair and car battery replacement services to keep your vehicle running at its best. Whether you're replacing a car battery, troubleshooting a starter issue, or experiencing alternator failure, our certified technicians use advanced diagnostic tools to quickly find and fix the problem.

Alternators
An alternator is an automotive device that converts mechanical energy to electric energy (ac). Alternators are important parts of your car's engine and their failure would translate to your car's failure. When your car's alternator develops problems, seek expert help. At Hammers Auto Service Shop Inc., we have experts who can handle all your alternator needs to get you back on the road - quickly. Visit Hammers Auto Service Shop Inc. today.
Batteries
The battery supplies electric energy which powers the ignition system, the starter motor, and the lights of an automotive. If you need to jump-start your vehicle in the morning, your battery could be failing. When a battery starts deteriorating, it can either be replaced or repaired - this will depend on the severity of the damage. If you are having issues with your car battery, contact Hammers Auto Service Shop Inc. in Sun Prairie, WI. We provide a convenient battery testing and replacement service to get you back on the road. Battery replacement, charging, installation, testing, and recycling - we handle it all.
Starters
A starter is a motor (electric, hydraulic or pneumatic) that rotates the internal combustion engine to initiate the engine's operation. Starters are important parts of your car's engine and their failure would translate to your car's failure. When your car's starter develops problems, seek expert help. At Hammers Auto Service Shop Inc., we have experts who can handle all your starter needs to get you back on the road - quickly. Visit Hammers Auto Service Shop Inc. today.
A failing starter often clicks when you turn the key-but it might also produce a grinding or whirring sound, or no sound at all. If your engine won't turn over, schedule a diagnostic with Hammers Auto Service Shop Inc. to determine if starter replacement is needed.
Apply pressure to the brake and turn the steering wheel slightly while turning the ignition key. This typically releases tension in the steering column and unlocks the wheel. If it doesn't work or the battery is dead, contact a professional to avoid damaging the ignition system.
When replacing a car battery, avoid letting tools bridge the terminals-it can cause sparks or electrical shorts. Make sure the battery is properly secured before connecting cables. Unsure how to replace a car battery safely? Our team is here to help with expert, affordable installation services.
The #1 mistake is connecting the jumper cables incorrectly-reversing the positive (red) and negative (black) leads can cause serious damage to your alternator or battery. Always double-check your connections and avoid using damaged or low-quality cables. If you're unsure, it's safest to let Hammers Auto Service Shop Inc. handle the jump-start for you.
To learn more about our Electrical services, call us at 608-244-9090 or request a quote by clicking below:
Discover More About Electrical Repair Services At Hammers Auto Service Shop Inc. in Sun Prairie
Auto Electronics Repair