Installation instructions for WH142: Cat 4.4

Make: Orchard Rite

Engine: CAT 4.4

Autostart: Orchard Rite (any model)

Altrac Wiring Harness: WH142

Learn how to install the Altrac wiring harness for the engine below.  Once installed, the Altrac Station will have access to power as well as readings from various sensors on the engine. 

WH142

Key	Wire Color	Purpose	Terminal Type	Installation
A	Multiple	Accessory Port	6-Pin Deutsch Connector	Plug in fuel sensors, soil moisture sensors, etc.
B	Multiple	Control Line Connector	12-Pin Deutsch Connector	Plug into the matching 12-pin connector on the ST100's control line.
C	Blue	Start Signal	SIze 8 Fork	Replaces Orchard Rite temperature probe's black wire.
D	Orange	Power for Start Signal	Size 8 Fork	Replaces Orchard Rite temperature probe's black wire.
E	Red	Battery Voltage (12VDC)	Size 10 Ring	Connect to 12VDC power on the wind machine.
F	Brown	Auto Switch Detection (12VDC)	Size 10 Ring	Connect to the 'Auto' side of the Manual-Off-Auto switch.
G	Black	Ground	Size 10 Ring	Attach to wind machine ground.
H	Multiple	Speed Sensor (RPM)	2-Pin Female AMPSeal 16	Splice into the RMP Signal
I	Multiple	Speed Sensor (RPM)	2-Pin Male AMPSeal 16	Splice into the RMP Signal

 

Tool List

Use	Tool
Wiring Harness Installation	Philips Screwdriver - Medium
Wiring Harness Installation	Philips Screwdriver - Large
Wiring Harness Installation	Flathead Screwdriver - Large
Wiring Harness Installation	Magnetic Bolt Retriever
Wiring Harness Installation	Channel Locks
Wiring Harness Installation	Electrical Tape
Wiring Harness Installation	4" Zip Ties
Wiring Harness Installation	12" Zip Ties
Wiring Harness Installation	18" Zip Ties
Wiring Harness Installation	Nippers (Flush Cutters)
Wiring Harness Installation	Adjustable Cresent Wrench
Wiring Harness Installation	Socket Drivers
Wiring Harness Installation	Wire Strippers
Wiring Harness Installation	Crimpers for Butt Connector
Wiring Harness Installation	Butt Connector (Blue)
Device Mounting	Impact Driver/Drill
Device Mounting	Metric Socket Set for Drill
Device Mounting	Drill Bits and Drivers
Device Mounting	Ladder
Device Mounting	Body Harness

Before you attempt a wiring harness installation, you must unhook the wind machine battery and turn the Manual-Off-Auto switch to the OFF position. 

Installation Instructions 

Step 1 

Disconnect the wind machine engine’s 12V battery.

Step 2

Connect the black ground wire to a ground source on the engine. Other ground wires are usually green or black.

Step 3 

Connect Red Wire to the bottom-middle contact of the MAN-OFF-AUTO switch on the wind machine gauge panel. You will need to remove the switch with a crescent wrench.

Step 4

Connect the brown wire to the bottom-left contact of the MAN-OFF-AUTO switch on the wind machine gauge panel. You will need to remove the switch with a crescent wrench.

Step 5 

Replace the black wire from the Orchard Rite temperature probe with the blue wire from the harness. 

HINT: Follow the temperature probe wire to the terminal block on the gauge panel to find the correct wires. 

Step 6

Replace red wire from the Orchard Rite temperature probe with the orange wire from the harness.

HINT: Follow the temperature probe wire to the terminal block on the gauge panel to find the correct wires.

Step 7 

Find the RPM speed sensor. On the CAT engine, the speed sensor is located directly behind or near the fuel filters on the right side of the engine (depending on your engine type).

Step 8

To attach the RPM sensor you will need to unplug the existing speed sensor connector from the sensor.

Step 9

Plug the female connector from the Altrac harness into the speed sensor and the original female connector into the male on the Altrac harness. This will create a bridge between the sensor and the original connector.

Step 10

Reattach the wind machine battery.

Step 11

Connect the new wiring harness to the Altrac Station via the 12-pin connector on the control line.

HINT: You should tuck the connector up under the wind machine hood when you are finished installing to maximize weather protection.

Step 12

Connect temperature probe and any other sensors to appropriate connections.

Step 13

To run the wind machine you must have the Manual-Off-Auto switch in the ‘Auto’ position, and the autostart must be armed. You will see a blinking white light when the autostart is armed. 

Step 14

Run the wind machine to ensure the Altrac is installed correctly. You should run the wind machine long enough to see an RPM reading.