Yep, what Kurt said. The ignition coil relay smooths out the engine at low RPM.

Here's the fuse/relay box I've installed:

* http://imgur.com/L17aFFe
* http://imgur.com/KFzsY8h

Cheers,
-ntd


On 05/08/2016 01:56 PM, Kurt Nolte wrote:
Javier, I can answer those.

Both headlight and ignition coils are fed by small wires that travel
through several switches.

The relay mods use those wires to drive relays instead. Relays don't
require much current, so the old, possibly dirty original wiring path
won't struggle with them.

The relays are then wired in a direct connection from the battery to the
device, usually with much upgraded wire. This provides a lower
resistance, shorter, and simpler path for the device, with less voltage
drop.

I've done them both to my own Nighthawk, not hard and pretty cheap. I
got a volt and a half increase at the headlight after the mod, enough to
show a visible improvement in light output.

Kurt

On May 8, 2016 2:40 PM, "Javier Garcia" <[email protected]
<mailto:[email protected]>> wrote:

    Neil,

    What is the ignition coil relay? Also, why a headlight relay?

    Javier.

    On Sat, May 7, 2016 at 5:53 PM, Neil Dantam <[email protected]
    <mailto:[email protected]>> wrote:

        *Must Have:*

          * Luggage (Bestem Rack and hard-mounted topcase)
          * GPS Mount and USB Power (RAM Mount +
            http://www.neil.dantam.name/doc/2014/2014-08-17_motorcycle-usb/)
          * Better Grips (Oury Road Grips)
          * (in hot weather) Beaded seat cover (trimmed Autozone special)
          * Engine guards (OEM)

        *Nice to have:*

          * SS brake line (Russell)
          * Ignition Coil Relay
          * Progressive Rear Shocks
          * Highway Pegs (Bikemaster cheapy)

        *
        *
        *Todo:*

          * Headlight relay
          * LED Fog lights
          * Non-anemic horn + horn relay
          * Side cases

        -ntd

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