GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Blazer - 2WD 🢒 Engine 🢒 Engine Electrical 🢒 Battery Terminal Check

Battery Terminal Check

Step

Action

Value(s)

Yes

No

1
  1. Turn the ignition key to the OFF position.
  2. Attempt to rotate the negative battery cable connector clockwise with light finger pressure.

Does the negative connector rotate?

--

Go to Step 2

Go to Step 3

2

Use a torque wrench in order to verify the torque to loosen the negative battery terminal bolt.

Is the torque above the specified value?

10 N·m (7 lb ft)

Go to Step 4

Go to Step 3

3

Disconnect the negative battery cable.

Is the cable disconnected?

--

Go to Step 5

--

4

Ensure the negative battery cable is disconnected.

Inspect for the following conditions and repair as needed:

    • The cable bolt is too long or misformed at the end.
    • There is foreign material present inside the nut in the battery terminal.
    • Damage to the battery terminal face or cable connector ring.

Is the repair complete?

--

Go to Step 5

--

5

Rotate the positive battery cable connector clockwise with light finger pressure.

Does the positive connector rotate?

--

Go to Step 6

Go to Step 7

6

Use a torque wrench in order to verify the torque to loosen the positive battery terminal bolt.

Is the torque above the specified value?

10 N·m (7 lb ft)

Go to Step 8

Go to Step 7

7

Disconnect the positive battery cable.

Is the cable disconnected?

--

Go to Step 9

--

8

Ensure the positive battery cable is disconnected.

Inspect for the following conditions and repair as needed:

    • The cable bolt is too long or misformed at the end.
    • There is foreign material present inside the nut in the battery terminal.
    • Damage to the battery terminal face or cable connector ring.

Is the repair complete?

--

Go to Step 9

--

9
  1. Clean and wire brush the lead face of both battery terminals and the metal contact rings in both cable connectors.
  2. Remove the bolts from the cable connectors in order to provide access to the connector rings as needed.
  3. If either the battery terminals or the cable rings are excessively damaged or corroded, replace as needed.

Are the metal connecting parts clean and in good condition?

--

Go to Step 10

--

10
  1. Connect the positive battery cable to the battery positive terminal.
  2. Tighten the cable bolt to the specified value.

Is the cable bolt properly tightened?

15 N·m (11 lb ft)

Go to Step 11

--

11
  1. Connect the negative battery cable to the battery negative terminal.
  2. Tighten the cable bolt to the specified value.

Is the cable bolt properly tightened?

15 N·m (11 lb ft)

Battery Terminals OK

--