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Author Topic:   Electrical Wiring At Gas Filler Cap
whillman63 posted 11-07-2008 09:39 PM ET (US)   Profile for whillman63   Send Email to whillman63  
[Author has a 1995 Boston Whaler RAGE 15] with two wires at the flip open gas fill cap. What is the purpose of these wires? Where they should be connected? The [RAGE 15] has been converted from jet drive to outboard.
jimh posted 11-07-2008 09:43 PM ET (US)     Profile for jimh  Send Email to jimh     
Please describe the size of the wire in terms of its American Wire Gauge and the color of the insulation.
whillman63 posted 11-07-2008 10:02 PM ET (US)     Profile for whillman63  Send Email to whillman63     
[O]ne wire is black, the other gray, They look to be 16 gauge. One theory is that the wiring connects to ignition so that motor can't be started if cap is left in the open position. Would that make sense?
jimh posted 11-07-2008 10:30 PM ET (US)     Profile for jimh  Send Email to jimh     
Are they paired conductors in a zip cord type cable? They're probably intended for the navigation light circuit.

Cf.: http://continuouswave.com/whaler/reference/wireColorCode.html#BW

Since your boat has been extensively modified by the change in power to outboard from an inboard, it is likely these wires are not in their original configuration.

I have never heard of any sort of interlock circuit involving a filler cap. In general it would be very unusual for any electrical circuit to be energized near the fuel filler cap.

whillman63 posted 11-07-2008 10:42 PM ET (US)     Profile for whillman63  Send Email to whillman63     
Thanks for your information. All nav lights are working. I guess I'll just remove and ignore these wires . This is a great site for info . I bought the rage after reading other rage owners conversion to outboard experiences Thanks again.....
Jefecinco posted 11-08-2008 09:51 AM ET (US)     Profile for Jefecinco  Send Email to Jefecinco     
Perhaps a bonding wire to ground the filler to the engine block?

Butch

seabob4 posted 11-08-2008 10:48 AM ET (US)     Profile for seabob4  Send Email to seabob4     
The black and gray would be for either Nav or Anchor lighting. A proper bond wire would actually be attached to the fill and would be an 8 or 10GA green wire. That is, if your Rage has a metal tank. Plastic tank? Not needed.
swist posted 11-08-2008 12:41 PM ET (US)     Profile for swist  Send Email to swist     
That's a little unnerving to have possibly live wires hanging around the fuel filler cap, an area where air is in mixture with gas fumes - an explosion potential. Get them out of there.
seabob4 posted 11-08-2008 02:09 PM ET (US)     Profile for seabob4  Send Email to seabob4     
As Swist said. Take out your meter, strip back some insulation, and check for voltage between hot and ground. Now, turn on every switch you have at the helm, and do the same. If voltage is present, and removing them is not an option, simply heat some shrink sleeving over the ends (called "dead-ending"), and you'll be fine.
jimh posted 11-08-2008 03:30 PM ET (US)     Profile for jimh  Send Email to jimh     
On a boat that is 15-feet long it can't be too difficult to follow the wire to discover where they go and what they're connected to.

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