gedbateman
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| posted on 5/3/14 at 03:48 PM |
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Sierra stalks and relays
I am doing my best to wire up a haynes roadster and I have reached the cliff edge with the relays for head/dip. I have used standard relays and
latching relays and still cant get the dipped lights on and the full beam to work in concert. I shall continue until I succeed, but does any one out
there now of a more simple and elegant way to deal with the headlights. All other lights work. I am using a CBS prewired unit
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Davedew
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| posted on 5/3/14 at 04:59 PM |
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Which type of Sierra switch gear have you got? Early is switched positive, late is switched earth.
If you have the later type then looking at the CBS wiring diagram, you would need to connect pin 14 of the CBS module to the positive coil pin of the
dipped & main beam relays, pin 85 I believe.
Then connect pin 86 of each relay to the correct connections on the Sierra indicator switch, 56A for main beam, 56B for dip beam. Make sure pin 56 of
the indicator switch is connected to pin 56 of the light switch.
Pin 56 on the light switch should have two brown wires. The link wire from indicator switch and the other goes straight to earth. Also connect pin 31
of the light switch to earth as this is used for main beam flash function.
HTH
Dave
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Not Anumber
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| posted on 5/3/14 at 05:28 PM |
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If you cant work out which type of Sierra stalks you have then your best bet is to sit down with a continuity tester, multimeter or battery and bulb
to work out which wire connects to which when the switch is in a certain position. It will take you about an hour.
I bought my stalks from different places and typically it turned out that one was the early type, the other the late. It caused no problems once
I'd manually mapped out what each wire did though.
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gedbateman
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| posted on 5/3/14 at 10:06 PM |
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Thank you that is a a good starting point. It is the later model. Ill give it a shot, I might be back.
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SteveWallace
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| posted on 7/3/14 at 09:56 AM |
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Here are the wiring diagrams that I did for my Sierra stalks:
 
headlight tail and fog wiring
 
indicator wiring
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gedbateman
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| posted on 7/3/14 at 04:40 PM |
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Yes I used this diagram and the whole thing now works, the secret is to wire the relays opposite too the normal view given in other diagrams and the
combined positive feed is clever. Earth out through the lamps. The latching relay works well on the main beam with switch over to null. excellent
very much obliged. Have not set myself on fire yet. Might now have a go with the rear fog light.
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