BRP MWS Wiring on Remote Throttle-Shift Controls

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Author Topic:   BRP MWS Wiring on Remote Throttle-Shift Controls

ruinstone posted 09-19-2010 10:22 AM ET (US)
I [am] re-wiring my [1984] Montauk 17 [with a] 90-HP [outboard motor that has] tilt and trim. Should I cut off the new six wire plug [integral with a] new [BRP single lever top-mount] remote [control with key switch] and wire [all the electrical circuits from the new remote control] directly to the [engine wiring] harness that has no plug [and] that was wired to an old ignition switch? Or, is there a plug adapter for the old wires?
jimh posted 09-19-2010 11:39 AM ET (US)
If you are trying to use a new BRP remote throttle-shift control with ignition key switch, this component will have the MWS wiring system. Older engines made by OMC used a different style of connector. I assume your older engine is an OMC engine. The older OMC engine will have a large red multi-pin connector with a rubber connector body, typically referred to as the red Amphenol connector at the engine, which connects to the mating connector and runs directly to the controls. Typically there is not a multi-pin connector on the engine wiring harness at the remote control end of this older style of wiring.
It is more common that old controls are re-used with a new motor, and for that reason BRP makes some adaptors which permit older-style remote controls wired for the Amphenol connector to be adapted to newer engines which are configured for the MWS connector. These adaptors are about 6-feet long and connect to your existing wiring harness from the controls, converting them to MWS connectors to mate with the newer engine.
I am not aware of an adaptor for the alternative configuration, that is, to adapt an older engine with Amphenol connector to the newer remote controls with MWS wiring. However, you should check with your local BRP dealer to verify that assumption. You could also check on the excellent website
SHOP.EVINRUDE.COM
to see if a special adaptor exists for your situation. Here are instructions for finding the listing of adaptors:
Follow this procedure:
--visit SHOP.EVINRUDE.COM
--select tab "PARTS"
--select "OB Accessories" drop down menu selector on left
--select "2001-2004 folder"
--select "ELECTRICAL SYSTEM" folder
In your current situation there are three options:
--cut off the MWS connectors from the new controls, cut off the engine harness from the old controls, and splice the conductors together individually to create a new wiring harness; or,
--keep the new MWS controls as they are, cut off the engine harness from the old controls, and install new MWS-style mating connectors onto the old harness; or,
--keep the new MWS controls as they are, locate a used engine harness whose remote controls have already been cut off, install MWS connectors on that used harness, and sell your exiting old controls intact as-is.
If you choose the first method, you will modify everything, and end up with a one-of-a-kind installation. If you choose the second method, you preserve the new controls with the new MWS wiring style. This is valuable because in the future if you re-power with a newer BRP motor you will be able to use the remote controls without further modification.
In both the first and second methods you sacrifice the existing wiring harness that is attached to the remote controls. This will reduce the re-sale value of the remote controls. If you choose the third method, you find someone who has already cut-off the wiring from older controls and now wants to sell it at substantially less value than the intact older remote controls would have had. Thus you avoid putting yourself in that situation.
ruinstone posted 09-19-2010 06:48 PM ET (US)
Thanks Jim for the quick response. And Thanks again for the help. I've decided to just cut the plug and save it for later, and just wire it direct. The Trim Plug the same way. I forgot to mention the motor is a 1984 Johnson.


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Author	Topic: BRP MWS Wiring on Remote Throttle-Shift Controls
ruinstone	posted 09-19-2010 10:22 AM ET (US) I [am] re-wiring my [1984] Montauk 17 [with a] 90-HP [outboard motor that has] tilt and trim. Should I cut off the new six wire plug [integral with a] new [BRP single lever top-mount] remote [control with key switch] and wire [all the electrical circuits from the new remote control] directly to the [engine wiring] harness that has no plug [and] that was wired to an old ignition switch? Or, is there a plug adapter for the old wires?
jimh	posted 09-19-2010 11:39 AM ET (US) If you are trying to use a new BRP remote throttle-shift control with ignition key switch, this component will have the MWS wiring system. Older engines made by OMC used a different style of connector. I assume your older engine is an OMC engine. The older OMC engine will have a large red multi-pin connector with a rubber connector body, typically referred to as the red Amphenol connector at the engine, which connects to the mating connector and runs directly to the controls. Typically there is not a multi-pin connector on the engine wiring harness at the remote control end of this older style of wiring. It is more common that old controls are re-used with a new motor, and for that reason BRP makes some adaptors which permit older-style remote controls wired for the Amphenol connector to be adapted to newer engines which are configured for the MWS connector. These adaptors are about 6-feet long and connect to your existing wiring harness from the controls, converting them to MWS connectors to mate with the newer engine. I am not aware of an adaptor for the alternative configuration, that is, to adapt an older engine with Amphenol connector to the newer remote controls with MWS wiring. However, you should check with your local BRP dealer to verify that assumption. You could also check on the excellent website SHOP.EVINRUDE.COM to see if a special adaptor exists for your situation. Here are instructions for finding the listing of adaptors: Follow this procedure: --visit SHOP.EVINRUDE.COM --select tab "PARTS" --select "OB Accessories" drop down menu selector on left --select "2001-2004 folder" --select "ELECTRICAL SYSTEM" folder In your current situation there are three options: --cut off the MWS connectors from the new controls, cut off the engine harness from the old controls, and splice the conductors together individually to create a new wiring harness; or, --keep the new MWS controls as they are, cut off the engine harness from the old controls, and install new MWS-style mating connectors onto the old harness; or, --keep the new MWS controls as they are, locate a used engine harness whose remote controls have already been cut off, install MWS connectors on that used harness, and sell your exiting old controls intact as-is. If you choose the first method, you will modify everything, and end up with a one-of-a-kind installation. If you choose the second method, you preserve the new controls with the new MWS wiring style. This is valuable because in the future if you re-power with a newer BRP motor you will be able to use the remote controls without further modification. In both the first and second methods you sacrifice the existing wiring harness that is attached to the remote controls. This will reduce the re-sale value of the remote controls. If you choose the third method, you find someone who has already cut-off the wiring from older controls and now wants to sell it at substantially less value than the intact older remote controls would have had. Thus you avoid putting yourself in that situation.
ruinstone	posted 09-19-2010 06:48 PM ET (US) Thanks Jim for the quick response. And Thanks again for the help. I've decided to just cut the plug and save it for later, and just wire it direct. The Trim Plug the same way. I forgot to mention the motor is a 1984 Johnson.