Ford Mustang (1999-2004) Service Manual: Battery Cables

Removal

WARNING: Batteries normally produce explosive gases which can cause personal injury.

Therefore, do not allow flames, sparks or lighted substances to come near the battery. When charging or working near a battery, always shield your face and protect your eyes. Always provide ventilation. Failure to follow these instructions may result in personal injury.

WARNING: Keep out of the reach of children. Batteries contain sulfuric acid. Avoid contact with skin, eyes, or clothing. Also, shield your eyes when working near the battery to protect against possible splashing of the acid solution. In case of acid contact with skin or eyes, flush immediately with water for a minimum of 15 minutes and get prompt medical attention. If acid is swallowed, call a physician immediately. Failure to follow these instructions may result in personal injury.

All vehicles

1. Remove the battery. For additional information, refer to Battery in this section.

2. If equipped, unplug the engine heater intermediate connection.

3. Remove the battery ground cable harness bolt from the radiator support and release the cable harness locators.

Battery Cables

4. Disconnect the battery cable harness electrical connectors.

Battery Cables

5. CAUTION: The square terminal from the battery must be installed first, followed by the round terminal from the generator. Reversing this sequence may cause circuit failure or arcing.

Remove the battery junction box nut and position the positive battery cable and generator B+ cable aside.

Battery Cables

Vehicles with 3.8L and 4.6L 2V engines

6. Remove the cable harness front support bracket by removing the nut, and position the bracket aside.

Battery Cables

Vehicles with 4.6L 4V engines

7. Remove the nut and position the left upper battery cable bracket aside.

Battery Cables

All vehicles

8. Raise and support the vehicle. For additional information, refer to Section.

9. NOTE: 4.6L 4V shown; 3.8L and 4.6L 2V similar.

If equipped, remove the block heater plug from the block heater and the harness locators from the oil pan clips.

Battery Cables

10. NOTE: 4.6L 4V shown; 3.8L and 4.6L 2V similar.

Disconnect the oil pressure sender unit electrical connector.

Battery Cables

11. CAUTION: Failure to tighten the negative cable ground nut may cause ground circuit failure or arcing.

NOTE: 4.6L 2V shown; 3.8L and 4.6L 4V similar.

Remove the battery ground cable nut at the engine block.

Battery Cables

12. Remove the nut and disconnect the generator electrical connections.

  • Position the cover aside.

Battery Cables

13. NOTE: 4.6L 2V shown; 3.8L and 4.6L 4V similar.

Remove the front lower cable harness bracket nuts.

Battery Cables

14. Pull the harness assembly downward until it clears the engine/radiator area.

15. NOTE: 4.6L 2V shown; 3.8L and 4.6L 4V similar.

Remove the right engine mount cable harness bracket nut.

Battery Cables

16. Remove the cover from the starter solenoid connections.

Battery Cables

17. Remove the nuts and disconnect the starter solenoid electrical connections.

Battery Cables

18. Pull the harness forward until it clears the motor mount, then remove the entire battery cable harness from the vehicle.

Installation

1. NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle needs to be driven to relearn the strategy.

To install, reverse the removal procedure.

 

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