Installation Instructions for WH102: Orchard Rite 350

Make: Orchard Rite

Engine: 350 

Autostart: Orchard Rite

Altrac Wiring Harness: WH102

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. 

WH102 

Key	Wire Color	Purpose	Terminal Type	Installation
A	Black	Ground	#10 Ring	Attach to wind machine ground.
B	Orange	Power for Start Signal	#8 Fork	Replaces Orchard Rite temperature probe's red wire.
C	Blue	Start Signal	#8 Fork	Replaces Orchard Rite temperature probe's black wire.
D	Multiple	Accessory Port Connector	6-Pin Deutsch Connector	Plug-in fuel sensors, soil moisture sensors, etc.
E	Multiple	Control Line Connector	12-Pin Deutsch Connector	Plug into the matching 12-pin connector on the ST100's control line.
F	Red	12VDC Power (Battery Voltage)	#10 Ring Terminal	Connect to the bottom-middle terminal on the Manual-Off-Auto switch.
G	Brown	Auto Switch Detection (12VDC)	#10 Ring Terminal	Connect to the bottom-left ('Auto' side) of the Manual-Off-Auto switch.
H	Purple	Tach Sensor (RPM)	18AWG GXL Wire	Splice into the tach signal from the distributor cap.

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

Installation Instructions 

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. 

Step 1. 

To use the 454 harness on a 350 engine, you will need to modify the harness in order to pickup RPM. The gist of the modification is that the 454 harness has an RPM filter built into the harness. This RPM filter will block RPM signals from the 350 engine, so it needs to be routed around with a wire.

First, locate the green wire inside the cable loom on the 12pin connector side of the harness. Cut this wire as close to the shrink tubing as possible. Strip the wire end 1/4".

Second, locate the purple wire on the other side of the shrink tube and cut it off as close to the shrink tube as possible. Strip the wire end 1/4".

Third, join the green and purple wires with a butt connector, ideally one that heat seals.

Now the harness is ready for install.

Step 2

Disconnect the wind machine engine’s 12V battery.

Step 3 

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

Step 4 

Connect the 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 5 

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 6

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 7

Replace red wire from the Orchard Rite temperature probe with 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 8

Locate the 350's RPM sensor on the bottom of the bell housing of the machine. We will be tying the purple wire we prepared in step 1 to the white wire labeled as Signal, 0-5V. See below for a reference.

Cut the signal wire a 12 inches or so from the sensor. Strip both ends and button connect them together on one side of a button connector. On the other side of the button connector splice in the purple wire.

Step 9 

Reattach the wind machine battery.

Step 10 

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 11 

Connect the temperature probe and any other sensors to the appropriate connections.

Step 12 

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.