Installation Manual

Twin Disc, Incorporated

Electrical Installation

Control to Bracket Wiring Installation

The Control to Bracket wiring provides wiring connections to interface the transmission and engine with the EC300 Control. See Figure 35.

J5

J8

J6

1022894

TWIN DISC

INCORPORATED

MODEL EC300

P/N 1020676

BOM

S/N

VOLTAGE 12-24VDC

J1 J2

1

8

J8

4

5

J9

J3 J4

6

J5

7

4

J6

5

6

J7

7

J10

1

J11

12

1

3

8

1

4

1

J12

6

J13

12

CHASSIS

J7

J12

Figure 35. Control to Bracket Harness Assembly

EC300 Marine Control System Installation Manual #1024168

79

Electrical Installation

Twin Disc, Incorporated

7.

8.

Refer to General Electrical Installation Guidelines for harness routing criteria.

1.

2.

3.

4.

5.

Align the J5 harness connector with the J5 receptacle of the EC300

Control and push it in until it snaps into place.

Align the J6 harness connector with the J6 receptacle of the EC300

Control and push it in until it snaps into place.

Align the J7 harness connector with the J7 receptacle of the EC300

Control and push it in until it snaps into place.

Align the J8 harness connector with the J8 receptacle of the EC300

Control and push it in until it snaps into place.

Align the J12 harness connector with the J12 receptacle of the EC300

Control and push it in until it snaps into place.

6.

Ensure that sealing plugs are installed in all empty connector positions of each connector.

Route the Control to Bracket Harness to the transmission.

Secure all harnesses to a supporting structure with clamps or cable ties at 406 mm (16 in.) intervals.

80 EC300 Marine Control System Installation Manual #1024168