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Rotary Coupler Query Lh Indicator Not Working


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#1 Majormallock

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Posted 26 January 2021 - 05:02 PM

Hi all, currently snaging final details for my restored 1997 mpi.the left hand (near side) indicators are not working on the column stalk. They do work when hazard warning button is used, so the wiring is OK! Unplugging the connector from the steering wheel I get 7.25 volts from the power feed (lgn ) to both left hand (gr) and right hand (gw) wires i am thinking a problem with the rotary coupler? Any ideas?  Just to confirm right hand indicators work fine as well

Input appreciated

#2 sonscar

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Posted 26 January 2021 - 06:54 PM

Does the rotary coupler have anything to do with the blinkers?Steve..

#3 nicklouse

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Posted 26 January 2021 - 07:03 PM

Sounds more like a switch issue. Or maybe the relay.

 

should add that the rotary coupler has nothing to do with the indicators.


Edited by nicklouse, 26 January 2021 - 07:15 PM.


#4 Majormallock

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Posted 26 January 2021 - 08:48 PM

If the rotary coupler is not it then inmost be the switch.? There is only one relay and its upstream of the stalk

#5 nicklouse

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Posted 26 January 2021 - 08:57 PM

There is two. Or there are two in one box.

 

look at the wiring diagram.



#6 Majormallock

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Posted 27 January 2021 - 11:32 PM

Been looking at the wiring diagram til I am cross eyed. Think I have found thr problem,though not absolutely sure yet.
There is only one relay feeding flasher unit. Working to eliminate connectors and wiring all the way up the line,
I disconnected the 3 pin connector to the indicator stalk.  Putting a wire across the live feed to the green and white wire RH indicators work. Doing the same for red and green LH wire nothing, I think this means a duff flasher unit. I would have checked this earlier but its a pain to get to. Behind the dashboard on the inside of the bulkhead.




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