Battery Test Diagnosis. Buick Roadmaster 1996

For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Visually inspect the battery for obvious damage. Refer to Battery Replacement . Is there any damage that may cause electrolyte loss? | -- | Go to Step 5 | Go to Step 2
2 | Check the built-in hydrometer. Is a green dot visible? | -- | Go to Step 3 | Go to Step 4

3

1. Load test the vehicle.
2. Check the battery voltage. Refer to Battery Voltage Versus Temperature .

Does the voltage drop below the minimum listed?

--

Go to Step 5

System OK

4

1. Charge the battery. Refer to Battery Charging .
2. Check the battery voltage. Refer to Battery Voltage Versus Temperature .

Does the voltage drop below the minimum listed?

--

Go to Step 5

System OK

5 | Replace the battery. Refer to Battery Replacement . Is the repair complete? | -- | System OK | --