Technical Tips > Electrical-Electronics-Air-Lighting-Guages-Security-Vacuum

Add a Head Light Relay Circiuit

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Cameron 77C3:
Found this on another site.

One note though.  Do Not use the jumper option.  That is not quite correct but the rest is.

[img=417x454]http://www.corvettevalley.com/gallery/data/504/1qgaya.jpg[/img]

steve_79:
I was about to ask what's wrong with the jumper option, but i think i figured it out.

  Is it that your dimmer switch would now be trying to power the high beam directly from a low capacity circuit thus possibly blowing a fuse or burning out the wiring?

  If so, wouldn't a large diode ( such as in my invisible auto resetting killswitch on the 4by ) sort out this problem??

  Steve

Cameron 77C3:
Yes, the problem is the dimmer switch, as labeled on drawing (low/high beam switch or dip switch), when on low beam the high beam comes on via the dimmer switch.  Hence dimmer switch carrys full load current.  A diode in the jumper would resolve the problem of the back feed.[/align][/color]

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