1999 Saturn SC2 L4-1.9L DOHC VIN 7FACTORY OEM SERVICE PROCEDURE

Battery Charging

Battery Load Test:

Factory service manual diagram



1. Properly connect battery to charger and connect charger to power source.
2. Set charging rate to high setting and charge battery.
^ Chargers of 75 amperes or more should produce charging times of 1 to 4 hours.
^ Smaller chargers of 10 amperes or less may require charging times of 24 hours or more.
3. Check hydrometer indicator hourly for green dot. Gently tap on hydrometer to eliminate possibility of hydrometer ball sticking. If green dot is not visible, continue charging.
4. Monitor battery for spewing, gassing or case temperature above 125°F. If this occurs, unplug charger, disconnect charger from battery and load test.
5. When green dot appears and remains, the battery is 65% or more charged.
6. Unplug charger, disconnect charger from battery.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.