Ford start relay - BMW Luxury Touring Community
 
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post #1 of 13 Old May 3rd, 2014, 12:06 pm Thread Starter
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Ford start relay

I have spent the last hour and a half trying to find a post with a wiring diagram to install the Ford starter relay. I just need to know where the wires are for the control circuit and what colors (I assume brown for ground) and the starter cable color/location. I know I need to make a large feed wire from the battery to the relay.

Thanks guys, I'm just frustrated by the forum search (non)function.

Robert

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #2 of 13 Old May 3rd, 2014, 12:45 pm
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Re: Ford start relay

If you are using the Ford relay as a replacment for the OEM relay I cannot help BUT if adding inline to protect the OEM relay then I used the big wire from the starter relay as trigger for Ford relay, "s" on the Ford relay is coil connection, metal mounting plate is coil ground. The connection across from the s connection is not used. The other two large connections are plus 12 and starter motor connection. I mounted my Ford relay right side over right case under passenger seat. It does not like water.

Big wire from starter relay off post behind battery to s
12 volt output of Ford relay to post behind battery

I did this 4 years ago on mine, been fine, takes load off OEM relay and does not require rewiring bike or removing plastic

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
1960 AJS 500 single
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post #3 of 13 Old May 3rd, 2014, 2:00 pm Thread Starter
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Re: Ford start relay

Quote:
Originally Posted by gary45 View Post
If you are using the Ford relay as a replacment for the OEM relay I cannot help BUT if adding inline to protect the OEM relay then I used the big wire from the starter relay as trigger for Ford relay, "s" on the Ford relay is coil connection, metal mounting plate is coil ground. The connection across from the s connection is not used. The other two large connections are plus 12 and starter motor connection. I mounted my Ford relay right side over right case under passenger seat. It does not like water.

Big wire from starter relay off post behind battery to s
12 volt output of Ford relay to post behind battery

I did this 4 years ago on mine, been fine, takes load off OEM relay and does not require rewiring bike or removing plastic
Thanks Gary. This is a pre-emptive strike. I have the stock, never welded relay.
Where is the original wire that feeds the starter? Do I need to run a ground to the metal base of the relay? Do you have any pics?

Thanks, Robert

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #4 of 13 Old May 3rd, 2014, 2:29 pm Thread Starter
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Re: Ford start relay

Quote:
Originally Posted by Scouter-50 View Post
Thanks Gary. This is a pre-emptive strike. I have the stock, never welded relay.
Where is the original wire that feeds the starter? Do I need to run a ground to the metal base of the relay? Do you have any pics?

Thanks, Robert
Sorry Gary, I just re-read your post and saw that you said to run a ground to the base. Old age creeping up on me.

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #5 of 13 Old May 3rd, 2014, 3:17 pm
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Re: Ford start relay

I enlarged the mounting hole on the base and mounted the Ford relay on the side case mounting bracket bolt right side under pass seat and ran a ground wire from battery to same point.

Directly to rear of battery there is a tie point with a big black wire on top, it come from starter relay to energize starter motor, reverser also attached there, will take some pics and add. It is a very hard area to get a good picture. The big black wire has to got to s on Ford relay

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
1960 AJS 500 single
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post #6 of 13 Old May 3rd, 2014, 3:54 pm
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Re: Ford start relay

Robert pm sent
Gary

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
1960 AJS 500 single
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post #7 of 13 Old May 3rd, 2014, 4:20 pm Thread Starter
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Re: Ford start relay

Quote:
Originally Posted by gary45 View Post
I enlarged the mounting hole on the base and mounted the Ford relay on the side case mounting bracket bolt right side under pass seat and ran a ground wire from battery to same point.

Directly to rear of battery there is a tie point with a big black wire on top, it come from starter relay to energize starter motor, reverser also attached there, will take some pics and add. It is a very hard area to get a good picture. The big black wire has to got to s on Ford relay
Thanks Gary. Would 10 gauge wire be heavy enough? I have access to 10 ga. hook up wire. I could double it. Do you see anything wrong with putting the relay where I have it temporarily in these pics?

I appreciate your help, Robert
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They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #8 of 13 Old May 3rd, 2014, 5:27 pm
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Re: Ford start relay

Quote:
Originally Posted by Scouter-50 View Post
Thanks Gary. Would 10 gauge wire be heavy enough? I have access to 10 ga. hook up wire. I could double it. Do you see anything wrong with putting the relay where I have it temporarily in these pics?

I appreciate your help, Robert
The first time I did that is where I put it, unfortunately lots of water goes through the seat between the part you sit on and the vertical piece - mine failed right after a torrential rain fall so I put it where it is now - on cars and trucks it is mounted just under hood on fender where it is out of the elements.

My original installation was done with two pieces of wire each jumper but when I redid it realized I had a cord for a stove laying around so stripped the jacket off used that wire, close to wire already on bike. Two wires per jumper fine as long as soldered well.

The nice thing about doing this is when my bike has sat for a week or two and temps around 40 F it still starts although cranks slow.

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
1960 AJS 500 single
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post #9 of 13 Old May 3rd, 2014, 6:36 pm Thread Starter
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Talking Re: Ford start relay

OK Gary. One more question and I'll leave you alone. On the tie point on the left behind the battery there are three wires. The bottom one is black/yellow. On the top are two black wires, one with a silver tag with lots of numbers going forward and the other goes to the right and on into a harness. I'm guessing that the one going to the right is from the relay. Is that correct?

Thanks, Robert

PS: I'm originally from BC.

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #10 of 13 Old May 3rd, 2014, 6:56 pm
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Re: Ford start relay

The black/yellow is the feed from the reverser controller, the one going forward is to the starter motor. So yes you are correct that last one is the feed from the stock relay.

John
2009 K1300GT Red Rocket
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post #11 of 13 Old May 3rd, 2014, 7:01 pm
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Re: Ford start relay

From the right is correct, in the pics it is the wire with the small wire attached, I kept the lug on the black wire and attached the small wire with a nut and bolt, taped up

You can easily verify, when you isolate the wire you can use your meter to see 12 volts on the wire when you push the starter button

I remember that you are from BC from an early post, have not been there since mid 70s but have cousins that live out there.

Gary
2018 R1200RT
Past rides
2012 K1600GTL
2000 K1200LT
1992 K1100LT
2000 V Star 650/Velorex sidecar
1985 K100RT
1965 R60/2
1960 AJS 500 single
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post #12 of 13 Old May 3rd, 2014, 7:49 pm Thread Starter
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Talking Re: Ford start relay

OK, thanks Gary and John, I now have the info I need.

Thanks again, both of you.

Robert

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Benjamin Franklin (1706 - 1790)


2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
2011 Bunkhouse Queen

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post #13 of 13 Old Oct 20th, 2014, 8:14 pm
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Re: Ford start relay

OK so second small wire on bmw relay is feed back to reverse controller, but with resistor

Just did mine tied both together, reverse is too fast, need resistor I guess to slow it down
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