Make: Ochard Rite
Engine: CAT 4.4, 6.6, 7.1
Autostart: Orchard Rite (any model)
Altrac Wiring Harness: WH140
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.
WH140
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.
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