Tata Harrier Fuses and Fuse Box Diagram User Guide
This detailed tutorial covers the Tata Harrier fuse system. A complete fuse box diagram covers engine, lighting, infotainment, and safety circuits, fuse placements, ratings, and functions. Understand how to properly identify and repair blown fuses for maximum electrical performance.
Video: Tata Harrier Fuses
Tata Fuses Guide
Your vehicle has fuse boxes at two locations. The vehicles electrical circuits have fuses to protect the wiring from short cir-cuits or sustained overload.
- Engine Compartment Fuse Box.
- Cabin Compartment Fuse Box.
Checking and replacing fuses
If any electrical unit in your vehicle is not functioning, check the fuses first. Please follow the steps below that will guide you to check and replace them.
- Apply parking brake
- Switch off all electrical accessories.
- Turn the ignition key to the ‘LOCK’ po-sition.
- In the fuse box, identify the defective fuse from its melted wire.
- Remove the blown fuse by “fuse puller”. The fuse puller and spare fuses are provided in the engine compartment fuse box.
Engine compartment fuse box
NOTE
Always ensure that the spare fuses are replenished.
- Ensure that all other fuses are pressed firmly in position.
- If a newly inserted fuse also blows, have the cause traced and rectified at nearest TATA MOTORS Authorized Service Centre immediately.
WARNING
- If you manipulate or bridge a faulty fuse or if you replace it with a fuse of higher amperage, the electric cables could be over-loaded. This could result in a fire. There is a risk of an accident and injury.
- Always replace faulty fuses with the specified new fuses having the correct amperage.
Battery mounted fuse 
| Fuse No. | Function | Fuse Rating |
| PF1 | STARTER MOTOR | 250 A |
WARNING
If Fuse box cover is removed for any reason, it should be refitted properly at its original position.
Engine compartment fuse box
Fuse box located in Engine compart-ment near battery.
NOTE
The fuse box layout is for reference purpose only. Please refer the
sticker provided inside the fuse box cover.
To access the fuse box, follow the proce-dure as given below:
- Open the Engine compartment.
- Remove the 2 screws of air intake cover (snorkel) with the help of screw driver provided in tool kit
- Remove the snap fitted cover of fuse box.
Fuses – Engine Compartment (Diesel)
| Fuse No. |
Function | Fuse Rating |
| 1 | INTERIOR F/B BAT – I | 60 A |
| 2 | EMS BATT | 5 A |
| 3 | COMPRESSOR | 10 A |
| 4 | SPARE | — |
| 5 | HORN HIGH/LOW TONE |
15 A |
| 6 | ABS ECU | 25 A |
| 7 | SPARE | — |
| 8 | EMS RELAY | 40 A |
| 9 | BRAKE LAMP | 5 A |
| 10 | FUEL PUMP | 20 A |
| 11 | SPARE | — |
| 12 | SPARE | — |
| 13 | SPARE | — |
| 14 | INTERIOR F/B BAT – II | 60 A |
| 15 | GLOW PLUG | 60 A |
| 16 | IGNITION LOAD | 30 A |
| 17 | ABS ECU | 40 A |
| 18 | COOLING FAN LOW | 40 A |
| 19 | STARTER MOTOR SOL |
30 A |
| 20 | BLOWER MOTOR | 40 A |
| 21 | COOLING FAN FAST | 60 A |
| 22 | UNDERBONNET F/R BOX | 30 A |
| 23 | SPARE | — |
| 24 | HEAD LAMP HIGH BEAM RH |
10 A |
| 25 | HEAD LAMP HIGH BEAM LH |
10 A |
| 26 | HEAD LAMP LOW BEAM RH | 10 A |
| 27 | HEAD LAMP LOW BEAM LH | 10 A |
| 28 | EMS ECU – II | 15 A |
| 29 | EMS ECU – I | 20 A |
| 30 | EMS ECU – III | 10 A |
| 39 | SPARE | — |
| 40 | EMS IGN | 5 A |
| 41 | ABS IGN | 5 A |
| 42 | REVERSE LAMP | 5 A |
| 43 | FRONT WIPER MO- TOR | 30 A |
| 44 | SPARE | — |
| 45 | SPARE | — |
| 46 | SPARE | — |
| 47 | EMS-CRANK INPUT | 5 A |
Cabin compartment fuse box
Cover removal procedure Fuse box is located behind glove box. To access the fuse box, remove cover as per procedure given below:
- Remove snap fitted end-cover first.
- To remove the cover, gently pull the cover from bottom side such that the lugs get disengaged.
- Open glove box and remove complete assembly by removing high-lighted 4 screws.
- Disconnect glove box lamp connection.
5. Disconnect glove box switch connection.
6. Pull out the fuse from fuse box modules from available cutout as shown below.
7. Check the fuse of required function with help of fuse box sticker present at shown location.
8. If fuse is blown, replace with same rating fuse from spare fuses in en-gine compartment fuse box.
9. Fit back the glove box by following re-verse procedure.
NOTE
It is recommended to replace fuse at TATA Authorised service centre.
Fuses – Cabin Compartment
How to Replace the Fuses of the Tata Harrier
Replacing a fuse in your Tata Harrier is a straightforward process that ensures the proper functioning of your vehicle’s electrical components. Here’s a step-by-step guide to help you through the process:
Materials:
- The new fuse of the correct amperage.
- Fuse puller or needle-nose pliers.
Steps to Replace a Fuse
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Ensure Safety:
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Turn off the ignition and remove the key.
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Engage the parking brake.
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Switch off all electrical accessories.
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Access the Fuse Box:
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Open the appropriate fuse box cover.
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Use the fuse puller tool provided in the engine compartment fuse box to remove fuses.
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Identify the Blown Fuse:
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Inspect each fuse; a blown fuse will have a melted or broken metal strip inside.
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Refer to the fuse diagram on the fuse box cover to identify the specific fuse related to the malfunctioning component.
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Replace the Fuse:
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Remove the blown fuse using the fuse puller.
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Insert a new fuse of the same amperage rating into the slot.
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Test the Component:
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Turn on the ignition and check if the electrical component is functioning properly.
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Important Tips
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Use the Correct Amperage: Always replace a fuse with one of the same amperage rating to prevent electrical damage.
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Carry Spare Fuses: It’s advisable to keep spare fuses of various amperages in your vehicle for emergencies.
Useful Links:
View Full PDF: Tata Harrier User Manual |Auto User Guide
Tata Harrier Instrument Cluster User Guide
Tata Harrier Transmission User Guide