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Service Electrical

Service the Battery Safely

c CAUTION: Avoid injury! The battery produces a flammable and explosive gas. The battery may explode:

• Do not smoke near battery.

• Wear eye protection and gloves.

• Do not allow direct metal contact across battery posts.

• Remove negative cable first when disconnecting.

• Install negative cable last when connecting.

Checking the Battery (Sealed Batteries)

NOTE: Do not attempt to open, add fluid or service battery. Any attempt to do so will void warranty.

• Keep battery and terminals clean.

• Keep battery bolts tight.

• Keep small vent holes open.

IMPORTANT: Avoid damage! This battery comes fully charged. If the machine is not used by the service expiration date indicated on the battery, charge the battery.

• Recharge, if necessary, at 6-10 amperes for 1 hour.

Cleaning or Replacing Battery


1. Remove negative cable (A) from the battery.

2. Disconnect hold-down (C).

3. Remove positive (red) cable.

• Pull red terminal cover (B) back far enough to expose terminal.

4. If battery is very dirty, remove battery.

5. Clean battery, battery terminals, cable ends, hold-down, and battery tray with a solution of 1 part baking soda to 4 parts water. Keep solution out of battery cells.

NOTE: If a new battery is required, install a replacement John Deere battery or an equivalent. (See your John Deere dealer.)

6. Rinse all parts with clean water. Let dry.

7. Install battery.

8. Connect positive (red) cable to battery.

• Install red terminal cover (B).

9. Connect negative (black) cable (A) to battery.

10. Apply petroleum jelly on battery terminals to help prevent corrosion.

11. Install hold-down (C).

NOTE: It is highly recommended to always replace with battery as listed in the replacement parts section. This battery was designed to provide a higher voltage.

Cleaning Battery and Terminals

1. Park machine safely. (See Parking Safely in the SAFETY section.)

2. Disconnect and remove battery.

3. Wash battery with solution of four tablespoons of baking soda to one gallon of water. Be careful not to get the soda solution into the cells.

4. Rinse the battery with plain water and dry.

5. Clean terminals and battery cable ends with wire brush until bright.

6. Install battery.

7. Attach cables to battery posts using washers and nuts.

8. Apply general purpose grease or silicone spray to terminal to prevent corrosion.

Using Booster Battery

c CAUTION: Avoid injury! The battery produces a flammable and explosive gas. The battery may explode:

• Do not smoke or have open flame near battery.

• Wear eye protection and gloves.

• Do not jump start or charge a frozen battery. Warm battery to 16?C (60?F).

• Do not connect the negative (-) booster cable to the negative (-) terminal of the discharged battery. Connect at a good ground location away from the discharged battery.


A - Booster Battery

B - Disabled Vehicle Battery

1. Connect positive (+) booster cable to booster battery (A) positive (+) post (C).

2. Connect the other end of positive (+) booster cable to the disabled vehicle battery (B) positive (+) post (D).

3. Connect negative (–) booster cable to booster battery negative (–) post (E).

IMPORTANT: Avoid damage! Electric charge from booster battery can damage machine components. Do not install negative booster cable to machine frame. Install only to the engine block.

Install negative booster cable away from moving parts in the engine compartment, such as belts and fan blades.

4. Connect the other end (F) of negative (–) booster cable to a metal part of the disabled machine engine block away from battery.

5. Start the engine of the disabled machine and run machine for several minutes.

6. Carefully disconnect the booster cables in the exact reverse order: negative cable first and then the positive cable.

Replacing Fuses and Relays

IMPORTANT: Avoid damage! Help prevent machine circuit damage. Make sure replacement fuse is the correct size.

1. Open hood.



2. Locate and replace defective fuses or relays.

• Remove fuse holder cap and remove defective fuse.

• Remove relay.

• Push in new fuse or relay.

Relays and Fuses

• A = Seat Delay Module

• B = Oil Pressure Relay

• C = Hydraulic Oil Temperature Relay

• D = Deck Lift Relay

• E = Latch Relay 2

• F = Latch Relay 1

• G = Temperature Latch Relay

• H = Start Relay

• I = Pull In Relay

• J = Seat Relay

• K = Air Heater Relay

• L = Fuse 10 A

• M = Fuse 30 A

• N = Fuse 5 A

• O = Fuse 5 A

• P = Diode

• Q = Diode

• R = Diode

• S = Diode

• T = Diesel Module

• U = Diode

Replacing Light Bulb


c CAUTION: Avoid injury! Halogen light bulb contains gas under pressure. The bulb may shatter if the glass is scratched or dropped. Wear eye protection and handle bulb with care when replacing.

IMPORTANT: Avoid damage! Do not touch glass headlight bulb with bare skin or bulb may fail prematurely. Use gloves or a cloth when inspecting or replacing the bulb.


1. Remove rubber cover (A).


2. Rotate bulb fitting (B) and remove from lamp unit (C).


3. Separate fitting (D) from plug (E).


Installing is the opposite of removing light bulb.