[DML] Re: Unprotected DeLorean Ignition Circuit
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[DML] Re: Unprotected DeLorean Ignition Circuit

Actually if you look at M:18:04 you will see the ignition ECU is
protected by fuse #1. Wires UY (Blue/Yellow) and W (White) are not
protected but they do come off the alternator splice at N (Brown).
That can be considered a "fusible Link" in that it is a small gauge
wire and a direct short will melt it. You are correct in that it could
have been better protected but I do not see how you could protect the
distributer cap from melting since that is in the secondary ignition
circuit and I have never seen that protected on any car. The only
guess I have without actually seeing what happened is maybe the
distributer cap was not on correctly and somehow that caused the
problem. Or one clip came undone and the cap was not securely fitted.
Since this is rather uncommon I would guess the problem is on that
particular car and not a fleet-wide problem. Having too wide a gap may
have contributed to this. It could also be that maybe the cap was
defective in some way or it was damaged during installation. Another
possability is a fuel leak leaking onto the distributer and the fuel
caught fire. Since you say the car was converted to a carbureator I
can't say with any certainty if that had anything to do with the fire.
David Teitelbaum
vin 10757

--- In dmcnews@xxxxxxxxxxxxxxx, Martin Gutkowski <martin@...> wrote:
> content22207 wrote:
> >If the DeLorean wiring diagram is correct, I humbly suggest that
> >Farrar's meltdown was ultimately caused by the fact that the entire
> >ignition circuit is absolutely, totally, 100%, completely unprotected
> >by so much as a single fuse, circuit breaker, or fusible link.
> >
> And how exactly would this cause the cap, rotor and/or leads to catch 
> fire whether it is fused or not?
> You're correct though, the diagram shows no fuse on the ignition supply.
> Martin


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