spitfires
[Top] [All Lists]

Re: Con-fused?

To: flinters@roomies.furry.com, spitfires@autox.team.net
Subject: Re: Con-fused?
From: Tburke4@aol.com
Date: Sat, 29 May 2004 20:39:39 EDT
That's cool. I'll let you all know what I find. 

Thanks to everyone.

Tom Burke

In a message dated 5/29/2004 2:03:05 PM Eastern Daylight Time, 
flinters@roomies.furry.com writes:

> Sad to say, I don't know what the stock fuse should be in a Spit.  I put a 
> 35A circuit breaker and never looked back.
> 
> The alternator is wired up so that most of its power goes to the 
> battery.  It will only put out a maximum of 35A under load and more often 
> less than that.  The way things are wired, think of it as the alternator 
> charges the battery non-stop while the battery supplies power to the car.
> 
> The fuse is only pulling what power is needed by the car at the time.
> 
> Luckily you can test for shorts pretty easily thanks to the simple fuse 
> block of the Spitfire.
> 
> If you have test light (and you should keep one in your car or toolbox 
> handy), disconnect one terminal from the battery, such as the negative 
> (preferred).  Hook your test light between the battery cable and the 
> exposed battery terminal itself.  This makes the bulb in your light a 
> 'fuse' essentially.  Here's the neat thing about doing this.  The MAXIMUM 
> load this circuit will pull now will be just enough power to light the test 
> light and no more.   What that means is even if you had a dead short 
> someplace down the line, the fuse won't blow and the light will just come 
> on.  Much safer.
> 
> With everything off in the car, does the light go on?  If so, it means 
> something is either still on or is shorted.  Pull your main fuse out.  Did 
> the light go out?  Okay, you know it's in the main circuit, so you can 
> eliminate all wiring between the battery and that main fuse.
> 
> Pull the next fuse below it out.  Did it go out?  If so, check what circuit 
> that is and disconnect any items on it.  Do the same for the next and final 
> fuses.  You'll be able to determine very quickly what circuit is the 
> culprit.
> 
> So, you've determined it's one of the main fuses.  Heck, it's the main fuse 
> itself that gives you trouble.  Now you need to start disconnecting main 
> body harness connectors to see if the problem is there.  A dead short 
> enough to pop a 35A fuse is pretty significant.  Disconnect the alternator 
> wires.  Then starter.  Keep watching that test light.  Headlight 
> switch.  Keep at it and you will find the short.  Then it's a matter of 
> repair, replace, and rebuild the affected component.
> 
> -Vegaman Dan





<Prev in Thread] Current Thread [Next in Thread>