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RT2 wiring question

  • Grumman41
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RT2 wiring question was created by Grumman41

I’m re installing turn signals back on my RT2 and have a few questions, the backs signals have two ground leads (black) but I don’t see a place at the back harness to plug them in. The front signals only have one wire, no black ground wire…..kinda confused. 
Also,  no power to any of the wires that the signals plug into.
Kevin
23 Mar 2023 14:53 #1

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Replied by 1971DT250 on topic RT2 wiring question

The front signals are grounded through the mounting brackets/handlebars/top triple clamp/steering bearings/frame.
The rear signals have female connectors near the rear fender for the ground wires as well as the positive wires.

Is your harness intact and complete?
The hours spent riding my Enduros is not deducted from my life span.
Last edit: 24 Mar 2023 08:05 by 1971DT250.
23 Mar 2023 15:22 #2

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Replied by Pedalcrazy on topic RT2 wiring question

On the rear the black grounds go under the mounting nuts. Then you’ll have a dark green and a brown in your harness where the taillight harness plugs in. One of your signal wires plugs into the green and the other into the brown. I can never keep the colors straight for which side is which. Green might be right side? Same for fronts except no ground. They ground through the handlebars and through the top tree and through the head bearings to the frame. Your signal wires plug into the dark green and brown in the harness in the headlight bucket.  Your original harness had these wire connections in those locations when new.
1978 DT400E
1976 DT400C
1973 RT3
1971 RT1B
1968 DT1 (3)
Last edit: 23 Mar 2023 15:27 by Pedalcrazy.
23 Mar 2023 15:25 #3

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Replied by Grumman41 on topic RT2 wiring question

Ok, thanks. I’ll keep looking for for ground connections, I haven’t seen any places where the harness looked cut.
23 Mar 2023 15:28 #4

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Replied by Pedalcrazy on topic RT2 wiring question

Maybe I was confusing…there are no “ground connections “ to look for per se. The only grounds are the rear blacks that go under the signal mounting nuts.

The other wires are the hot dark green and hot brown.

EDIT…maybe I’m the one confused over which bike…if the rear black grounds are long with a connector then they go to wires up by the battery or oil tank.  If short blacks with a ring connector then they go under the signal mounting nuts. Been a while since I restored my RT3.
1978 DT400E
1976 DT400C
1973 RT3
1971 RT1B
1968 DT1 (3)
Last edit: 23 Mar 2023 16:17 by Pedalcrazy.
23 Mar 2023 15:36 #5

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Replied by Grumman41 on topic RT2 wiring question

Yes, we are on the same page. I just couldn’t find the place on the rear harness where the rear grounds plug into the harness.
23 Mar 2023 16:41 #6

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Replied by SKYDANCER46 on topic RT2 wiring question

The ground connections should be in the rubber boot where all the wire connections are on left side under seat, tucked between rear fender and frame above shock. Should see a black wire with 3 female connectors that all grounds connect to. See picture below for location.

 

1970 DT250C
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Last edit: 23 Mar 2023 18:21 by SKYDANCER46.
23 Mar 2023 17:06 #7

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Replied by Grumman41 on topic RT2 wiring question

Wow, very clean bike. I’m not seeing the leads there, may have been “chopped” at some point. I’ll have to do a bit of looking, may have been zip tied up somewhere.
Thanks!
24 Mar 2023 06:13 #8

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Replied by SKYDANCER46 on topic RT2 wiring question

Thanks! It was one i restore years ago. Forum member 1971DT250 is the lucky owner of it now.

Yes, maybe someone cut the connector off so look for a single black wire back there coming out of harness. 

1970 DT250C
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Last edit: 24 Mar 2023 07:18 by SKYDANCER46.
24 Mar 2023 07:08 #9

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Replied by Grumman41 on topic RT2 wiring question

Update: I did find the rear ground leads for the rear signals…..glimmer of hope!
I do have the wiring manual but m a bit lost on one black and one white lead as shown in the photo. The black lead is under the air cleaner and the white is right under the fuel tank hold down strap.  
Last edit: 24 Mar 2023 13:50 by Grumman41.
24 Mar 2023 13:48 #10

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