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indicator lights Austin Healey BT7

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BillRichards

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I have an issue with my indicators. All is good until I turn on side/headlights. Indicators stop working but dash signal light still operates.
Any ideas?
Wiring is good - I think.
 
I had a friend once with the same problem. Upon investigation, we found that the lamp filaments were wired backwards. The flashers were on the low watt filaments and you could see them with the running lamps off, however, when the running lamps were turned on, the bright filaments override the dimmer flasher's filaments and you could not see them.

Bill Young
 
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