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Volvo RWD 120-130 Forum

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Additional Information... 120-130 1966

...the circuit shown is actually different from the earlier verbal explanation (so disregard!)...after thinking about it, I changed it a bit and made it as simple as possible, locating relay under the hood, powered by the Fuse 2 circuit (or Fuse 1 if there is an empty terminal available), and included a single wire routed through the firewall, to the beeper/buzzer located under the dash somewhere...the standard BOSCH form C relay (inexpensively available, with a Normally Open NO and a Normally Closed NC contact) is powered when IGN is ON. At that time, ground is removed from Neg side of beeper, so if lights are turned ON, beeper will not sound. With IGN OFF, low side circuit of beeper is completed to chassis, so if lights are also turned ON, power is supplied to beeper high side and it will sound...simple!

Use in conjunction with 122 wiring diargam: http://www.sw-em.com/122S%20Wiring%20Diagram.jpg

Cheers







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Headlight Buzzer [120-130][1966]
posted by  volvorine  on Sat Mar 22 19:41 CST 2008 >


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