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Originally Posted by Chondro
Pin 86: I understand finding the blue/yellow wire on my 900 but am confused about the the diagram in Kevin's post on page 7. The diagram seems to show a switch and fuse. Is this the Cobra switch? Do I have to buy a fuse and holder and install myself in the pin 86 line?
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You don't really need a fuse in this line, though if you are bringing the wiring out of the bucket to the Cobra switch, it IS a good idea.
Fuse it at 2a with the fuse as close as possible to the blue/yellow connection and if the wiring becomes chaffed, the fuse will blow before it blows your 10a headlight fuse.
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Also, in Freightshaker's photos there appears to be two leads going to the Load pin. This is pin 87 (lights in Kevin's diagram), yes?
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Freight's diagram shows traditional wiring of pins 30 and 87, so the battery (or accessory power connector) goes to pin 30, and the hot leads from both spots go to pin 87.
As mentioned above, I like to reverse 30 and 87, connecting the battery to 87 and the lamps to 30.
Some of the relays have a 5th connection... 87a.
On these relays, 30 is a common, and depending on the status of 85/86, pin 30 is connected to either 87 or 87a.
That means that any time the system is "dark", the battery is connected directly to pin 87a.
Connecting the battery to 87 and the lamps to 30 means that when the system goes dark, the lamps are connected to 87a and not power.
On a 4-pin relay without an 87a in the middle, it really makes absolutely no difference.
Thanks for all the info and help. I am pretty sure I can get this done, just a little confused about that pin 86 connection.
Greg[/quote]