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Trailer Relay Isolation Packages


Once upon a time, there was a motorcycle that wanted to tow a trailer.  The motorcycle was older and quite beautiful, but alas, was not very smart (it did not have any computers or sophisticated electronics on board).  The motorcycle and the trailer shared the bike's wiring for their lights, and they lived happily ever after.

What's the moral of this story?  Modern motorcycles do have computers and sophisticated electronics.  Also, in an effort to improve mileage, reduce weight and costs, manufacturers are using the smallest gauge of wire that will support the motorcycles lights only.  The act of simply tapping extra lights on your bike can cause damage; blow fuses, burn out relays, or worse.  But never fear, EC is here!

Our trailer relay isolation packages easily and  properly connect and isolate your trailers electrical load from the motorcycles factory wiring, fuses, relays and computers and electronics.  These units use Omron micro-relays in an epoxy potted housing for weather resistance.  Main power and ground come from the battery.  .     

In order to make a complete harness kit, you must order the 07660 Relay Package and one sub-harness listed below;

GL1500  -  p/n 07661
GL1800  -  p/n 07662
Universal - p/n 07663
97+ Harley Davidson - p/n 07667

If your trailer is a 4 wire setup (has combined brake and turn signals), you will need to order the 07664 converter.  How do you tell if you need it?  Look at the wiring plug on your trailer - does it only have 4 wires?  It's about a 98% guess that you will need the converter.  And unlike a tonsillectomy, going to a 4 wire setup is completely reversible by simply unplugging the module to revert to a 5 wire system. Install is "Plug & Play".  Since adding the converter only utilizes 3 of the 4 relays in the housing, the wiring is designed to allow you to power any accessory up to 10 amps max with a 4th relay and  a switch (not included).   Please note the 07664 has been redesigned and will now work with LED lights (your lighting MUST BE electrically grounded only and not grounded to the frame).  Please call with any questions.

Fitment: Universal, Plug & Play for GL1500 (all), GL1800 (all), 97+ Harley

County of Origin:  isolator  , Plug & Play Harness; , converter

Components:  and



Product Support:  Installation Instructions >07660 (pdf)  >07664 (pdf)
 

p/n 07660  Trailer Relay Isolation Package
 *must order sub-harness for use*
$64.95

p/n 07661  Honda GL1500 "Plug & Play" Sub-harness $9.95

p/n 07662  Honda GL1800 "Plug & Play" Sub-harness $9.95

p/n 07663  Universal Sub-harness $9.95

p/n 07664  Trailer Light Converter - 5 to 4 light "Plug & Play" $24.95

p/n 07667  97+ Harley "Plug & Play" Sub-harness (alarm safe) $14.95