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  NMEA-2000: Installing I-COMMAND Wiring Harness to Motor

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Author Topic:   NMEA-2000: Installing I-COMMAND Wiring Harness to Motor
kamie posted 05-22-2007 06:39 AM ET (US)   Profile for kamie   Send Email to kamie  
All: I have an E-TEC outboard motor almost installed and almost ready. For the [I-Command NMEA-2000 digital instrumentation's] wiring harness, [the instructions] says to "connect the purple wire to the power supply red wire." I can't find the power supply red wire, at least not one that is free and has a push connector?

Do I need to strip the connector and replace it with a ring connector and connect to the engine? Is the power supply wire just tucked in somewhere and I can't see it?

Thanks for any help.

seahorse posted 05-22-2007 07:15 AM ET (US)     Profile for seahorse  Send Email to seahorse     
Did you install the I-Command harness from the motor to the keyswitch like the directions tell you? If so, the bullet connector and purple wire are there at the motor.

If you still have the original wiring harness, there is no wiring for the I-Command and the trim will not read on the display screen.

See your dealer for the correct wiring harness.

kamie posted 05-22-2007 08:27 AM ET (US)     Profile for kamie  Send Email to kamie     
I installed the PN 763544 which is the Ignition Tilt and Trim harness. The harness has a purple wire on the engine side, which the instructions say "connect to power supply red wire". What red wire? There is no red wire, loose on the outboard with a bullet connector? It's the red wire, I am looking for?

thanks

seahorse posted 05-22-2007 09:01 AM ET (US)     Profile for seahorse  Send Email to seahorse     
OK, list the part numbers and descriptions of what you have now to install the I-Command system, ans what instructional booklets do you have?
kamie posted 05-22-2007 12:26 PM ET (US)     Profile for kamie  Send Email to kamie     
List of Parts
PN 763544 Ignition Tilt and Trim Harness
PN 763510 15 Ft Extension cable
PN 763678 Network Power Supply kit.
I-Command Install Guide

I have run the Tilt and Trim Harness from the console to the engine and pluged in The outboard Trim/Tilt connector and the Outboard Ignition Connector as shown on page 8, Single Engine installation. On the engine side, same page it shows switched B+ to Power Supply Harness Red Wire. I assume the switches B+ is the purple wire for switched power but I have no other power supply harness or loose wires to hook it too. The Network Power Supply kit, goes at the console end to power the network and hooks to the Purple & Black wires.

JayR posted 05-22-2007 08:12 PM ET (US)     Profile for JayR  Send Email to JayR     
Pics of mine emailed to ya a little while ago.
I'm reluctant to cut the wire ties for a better look see but if ya can't make it out in the four pics, let me know.
kamie posted 05-22-2007 10:00 PM ET (US)     Profile for kamie  Send Email to kamie     
Thanks Jason,

I have a better idea. In the 175 they have a bundle of wires in a black plastic tube. I believe that I will need to look in that wire bundle some more. Here is a shot of mine before I started rigging,
kamie.homelinux.org/kamie/html/i_command_install.html

Someplace in the tube to the forward side of the engine should be the wire. I pulled the cover off as I ran the wire harness up thru there but I did not unbundle all the wires.

If anyone knows which bundle of wires it's in, even better and is it a purple wire or a red one? I assume it's the only one with the bullet type connector.

seahorse posted 05-23-2007 01:15 AM ET (US)     Profile for seahorse  Send Email to seahorse     
Here is a cut-and-paste from the I-Command Digital installation guide using the Lowrance style wiring components.

You can connect the power harness to the key switch at the dash or at the motor using the purple lead.

Your list does not look complete. Refer to the part numbers in the following guide.

STEP 1 – Connect:
a. Connect EMM cable pn. 763517 to the unused 4pin AMP connector located on EMM.
b. Connect 15 ft extension cable pn. 763510 to EMM cable and route from engine into the boat.
c. Connect extension cable to center point of pn 763512 TEE.
d. Connect terminator pn 763514 to end of TEE
e. Fasten TEE securely to bulkhead or other protected area in the boat
STEP 2 – Connect:
Backbone cable
a. Connect 25 ft extension cable pn 763511 to end point of EMM harness TEE and route to
helm area.
STEP 3 – Connect:
Fuel level signal converter and TEE
a. Connect fuel level sensor pn. 763676 red wire to pink wire of boat fuel tank level sender.
b. Connect fuel level sensor black wire to black wire, ground of boat fuel tank sensor
c. Connect fuel level sensor connector to center point of the TEE
d. Connect 25 ft extension cable to end of TEE
STEP 4 – Connect:
Digital gauge and TEE
a. Connect I-Command Digital gauge to center point of TEE
b. Connect Digital gauge yellow wire to black wire of warning horn
c. Connect Digital gauge blue wire to red wire of warning horn
(white and black wires are unused)
d. Connect Digital gauge TEE to fuel sender TEE
STEP 5 – Connect:
Power harness ,TEE ,and terminator
a. connect Power harness pn 763529 red wire to Purple switched B+ accessory wire of
ignition harness and black wire to black ground accessory wire of ignition harness
b. connect Power harness twist-lock connector to center point of TEE
c. connect terminator pn 763530 to end of TEE.
d. connect Power harness Tee to Digital gauge TEE
e. Fasten all TEES securely to a bulkhead or other protected area in the boat.

kamie posted 05-23-2007 06:50 AM ET (US)     Profile for kamie  Send Email to kamie     
Seahorse,

Do I need to connect the purple wire of the 763544 Ignition / Tilt Adapter Harness to the outboard and if so where?


Here is my complete list or parts.
763507 3" Gauge With Horn & T-Hub
763510 15 ft Back Bone Cable
763517 Engine Adapter Cable
763678 Power Cord W/T-Hub
763679 Terminator Kit
5006214 Water Pressure Sender
763544 20 Foot Ignition / Tilt Adapter Harness
176372 Binnacle Control w/ Ignition
176995 1.8 Gallon Oil Tank
173119 19 Foot Throttle / Shift cable

I have already done Step 1 and Step 2 on your list. I skipped Step 3 because I am not installing a fuel level sensor at this point. I have also done Step 4 and 5.

The part that is not on your list is connecting the Ignition / Tilt Adapter Harness to the engine it self. I have all of that done at the engine side, but the purple accessory wire is not hooked to anything. That is the wire I need to find a home for?

george nagy posted 05-23-2007 10:43 AM ET (US)     Profile for george nagy  Send Email to george nagy     
KAMIE,

We might be trying to achieve the same result see: http://continuouswave.com/ubb/Forum6/HTML/001411.html

Do you have pics of the I-COMMAND harness on the helm side? In my case I think the system needs to be powered up from the helm side maybe yours does too?

kamie posted 05-23-2007 10:58 AM ET (US)     Profile for kamie  Send Email to kamie     
Simple question, the tilt and trim harness has a purple wire on the engine side. Do I plug that wire in and if the answer is yes. Where?
seahorse posted 05-23-2007 07:05 PM ET (US)     Profile for seahorse  Send Email to seahorse     

The purple wire on the engine side of the harness plugs into the older style I-Command wiring that used the consolidator units as a wiring buss. That purple wire which came off the keyswitch A terminal fired up the network when the key was turned to ON.

On the Lowrance type wiring, most folks use the 763529 power harness under the dash and attach the red wire to a purple and black to ground to fire up the network.

kamie posted 05-23-2007 09:07 PM ET (US)     Profile for kamie  Send Email to kamie     
Thanks Seahorse,
My to do list is getting shorter,
All the e-tec connections are done except to hook up the oil and gas and go crazy with some zip-ties. Once I bundle all the wires in the console and screw it to the floor, its off to the dealer for checkout on friday
I may have to spend some time in West Marine parking lot, trying hub kits otherwise its a basic aluminum prop and on the water by Sunday :)

JayR posted 06-02-2007 07:18 PM ET (US)     Profile for JayR  Send Email to JayR     
Well???!!!???

Is it on the water yet?

PICS!!!!!

kamie posted 06-03-2007 10:39 PM ET (US)     Profile for kamie  Send Email to kamie     
yes she is. The boat was on the water as of Saturday morning and by late afternoon, the engine hour meter showed over 7 hours. I will post more photo's as soon as I finish some little things but here is a before / after shot along with a video
kamie.homelinux.org/kamie/html/fall_2006.html

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