Ground switched or postive switched
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Senior Member
Joined: Jun 2008
Posts: 600
From: Euless, Tx
Ground switched or postive switched
As some of you know im a volenteer firefighter i am gettin a wig wag flasher system for my head lights
http://www.swps.com/whelheadflas.html
but i need to know if hondas are ground or postive switched, heres the install manual
http://www.whelen.com/install/135/13510.pdf
http://www.swps.com/whelheadflas.html
but i need to know if hondas are ground or postive switched, heres the install manual
http://www.whelen.com/install/135/13510.pdf
Super Moderator
Joined: Sep 2006
Posts: 16,329
From: Houston, TX
RE: Ground switched or postive switched
You might want to put your year/model in your signature.
I think that they are positive switched.
You can use a volt meter to test this. With the lights off, probe each side of the plug to a good ground (like the engine block). If you find 12V, then it is ground switched.
If both sides show no voltage, turn on the lights. If you find 12V, then the lights are positive switched.
I think that they are positive switched.
You can use a volt meter to test this. With the lights off, probe each side of the plug to a good ground (like the engine block). If you find 12V, then it is ground switched.
If both sides show no voltage, turn on the lights. If you find 12V, then the lights are positive switched.
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