fusible link questions

[Clarence L.Snyder]

Pat Ford wrote:
> 
> On Thu, 4 Feb 1999, Steve Sassine wrote:
> 
> > Date: Thu, 4 Feb 1999 16:43:22 +1100 (EST)
> > From: Steve Sassine <n9480320 at garbo.nepean.uws.EDU.AU>
> > To: DIY_EFI at efi332.eng.ohio-state.edu
> > Subject: Re: fusible link questions
> >
> > On Wed, 3 Feb 1999, Clive Apps   Techno-Logicals   416 510 0020 wrote:
> >
> > > >
> > > > The fusable link is intended to protect the wiring harness from frying -
> > > > through out the vehicle. It is the weakest link in the wiring 'chain'. They
> > > > normally have a high temperature insulation that also protects any adjacent
> > > > wires from being burned.
> > >
> > > Clive
> > >
> SNIP
> > a large amount of current will be deleivered to the field winding which
> > will inturn give an output voltage well in excess of 20V plus. This
> > voltage level will take out many electronic equipment
> > (radio,alarm,electronic wind screen controller etc.).
> 
> Canadain tire used to sell a box that would output 120 vdc from the
> alternator. it just full fielded the alt and at around 1500 rpm 120 v
> 
> scarry eh
> 
> >
> >          I have seen this happen on a toyota corona, but some of the
> > devices are fused seperatly to protect against high voltages.
> >
> >
> >
> 
> Pat Ford                           email: pford at qnx.com
> QNX Software Systems, Ltd.           WWW: http://www.qnx.com
> (613) 591-0931      (voice)         mail: 175 Terrence Matthews
> (613) 591-3579      (fax)                 Kanata, Ontario, Canada K2M 1W8
Scary thing is, it worked. BEL was one manufacturer, among others. My
father, an electrical contractor, had one on his dodge van and used it
to run the drill to rough in an AWFUL lot of houses in the seventies.
The truck sat there at a fast idle for half a day and the house was done