[Diy_efi] I can't find the problem!!

[bcroe at juno.com]

When an intermittent messes up my EFI car, I solder 2 wires 
to the blown fuse, and run them to one of those miniature plug 
in circuit breakers.  At it least it comes right back after a fault. 
If it gets permanent, you can trace it down.

Another way to find it is divide it into multiple circuits, each 
with their own temporary fuse. When one fuse blows, divide
that circuit down (combine the others) till there is only one 
thing left.

Bruce Roe

16 Dec 2002 "A6intruder" <A6intruder at adelphia.net> writes:

> I have a 1994 Mustang GT and have been having a fuse blow this 
> fall, 5 times in two months.  This circuit controls my instrumentation 
> lights and more importantly my tail lights and parking lights.
> 
> I have recently added my DIY-WB to the car but have not tapped into 
> this
> circuit at all.  I have checked the circuit where I can access it 
> and have
> not found any obvious shorts etc.
> 
> This problem started after leaving the lights on one day, ran the 
> battery
> down, and then jumped per usual procedure.  Ever since I haven’t had 
> a
> single factor that I can determine caused the problem.
> 
> I originally thought the headlight switch must be the problem (it 
> has the
> dimmer control in it for the instrument lights) but everything seems 
> to work
> fine.
> 
> How do I find this problem?
> 
> Help!
> 
> Daniel R. Nicoson
> Equipment Exchange Company
> Phone:  (814) 774-0888
> Fax:      (814) 774-0880
> 


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