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wigwag1.jpg WIgwag High Beams using a dual-out flasher
NOTE: Most jurisdictions regulate flashing lights on vehicles, so if you're not authorized to have them, don't modify your lighting.

This circuit adds only 3 common relays, a common SPST switch, a common fuse, & a 2-output flasher to create a safe wigwag hi-beam system withOUT the voltage drop associated with diodes.

The primary lighting load remains on the factory fuse; the load of the auxiliary lights & relays (less than 10A) goes on the fuel pump relay (via the new fuse) so the system can only be active when the engine is running. If the hi-beams are in use when the wigwags are switched on, the low-beams come on steady while the highs flash. Even if the LCM fails, the wigwags will still work.  If the bypass (center) relay fails, the hi-beams will operate normally and only the aux. lights will flash.  If either wigwag relay fails, its headlight will not flash.  If the wigwag flasher fails, the hi-beams will shut off, but the lows will be on.

Note that all 3 relays are connected by their 87a terminals, and the flasher is also connected to all 3, so they could all 4 be mounted as a group near the headlights.

The LCM fuse number is for an '03 CV.  The wigwag fuse should be sized for the 2 arrays.  If no aux arrays are installed, a 3A fuse is sufficient to power the 3 relays.

NOTE: the arrays are only representative - not detailed.
wigwag1.jpg | Hits: 2416 | Posted on: 5/30/10 | View original size (53.27 KB)

WIgwag High Beams using a dual-out flasher
NOTE: Most jurisdictions regulate flashing lights on vehicles, so if you're not authorized to have them, don't modify your lighting.

This circuit adds only 3 common relays, a common SPST switch, a common fuse, & a 2-output flasher to create a safe wigwag hi-beam system withOUT the voltage drop associated with diodes.

The primary lighting load remains on the factory fuse; the load of the auxiliary lights & relays (less than 10A) goes on the fuel pump relay (via the new fuse) so the system can only be active when the engine is running. If the hi-beams are in use when the wigwags are switched on, the low-beams come on steady while the highs flash. Even if the LCM fails, the wigwags will still work. If the bypass (center) relay fails, the hi-beams will operate normally and only the aux. lights will flash. If either wigwag relay fails, its headlight will not flash. If the wigwag flasher fails, the hi-beams will shut off, but the lows will be on.

Note that all 3 relays are connected by their 87a terminals, and the flasher is also connected to all 3, so they could all 4 be mounted as a group near the headlights.

The LCM fuse number is for an '03 CV. The wigwag fuse should be sized for the 2 arrays. If no aux arrays are installed, a 3A fuse is sufficient to power the 3 relays.

NOTE: the arrays are only representative - not detailed.
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