Semaphore Dramas

[roymartian]

Having problems with my 6V semaphore, when directly connected to a battery all good.

But when wired in car following symptoms;

1. No motion when indicator arm moved, no dash light
2. Manually lift arm up, dash light is illuminated
3. Not sure if wires have polarity as changed may have blown fuses

Appreciate any help

Thanks,

[D-train]

the light will come on when opened as it earths out.
check the column switch hasnt got a loose wire,
check the terminals are clean with no frosting too
check the fuses too
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shiny paint doesnt make it worth any more

[roymartian]

thanks D-train will do - from reading seems likely causes

[Wayne S. Johnson]

The dash light is a separate circuit from the semaphore coil. The dash light is grounded in the semaphore when semaphore moves up.

If both semaphores do not function, the problem is most likely the fuse, wire between the fuse and the switch or the switch.

Isolate the problem by checking for voltage at the following locations:
1 Both sides of the fuse.
2. The center semaphore switch terminal.
3. Both sides of the semaphore switch terminal when the switch is turned on.
4. Both semaphore terminals when the switch is turned on.
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[roymartian]

Thanks guys, fuse fixed all terminals clean and hey presto - step back from the viagra

[rlmartinez]

Looking for some advice.
When my semaphores are wired per wiring diagram they open and close but the bulb in each semaphore will not light. The indicator light just stays lit constantly.

When I disconnect bulb wires from dash indicater and apply voltage the bulb in semaphore lights continually wether semaphore open or closed.

Is there a short in my semaphores?

Any help is appreciated.
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54 Bug
56 convertible

[Wayne S. Johnson]

The coil and bulb are wired together in the semaphore. The semaphore pin grounds the bulb in the dash.

Troubleshoot the dash bulb by removing the dash bulb wire at the semaphore. The dash bulb is connected to 6V ign sw, when the pin in the semaphore moved down it grounds the dash bulb. This lights the bulb and shows the driver if the semaphore has moved out.
Disassemble the semaphore and trace the problem inside.
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[Bruce]

[rlmartinez]

Wayne and Bruce, thank you for the help.
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54 Bug
56 convertible