[DML] electrical short

[kKoncelik@xxxxxxx]

I have a few cars that have electrical problems and I am going to start to 
trouble shoot them Sunday.

Neither of these cars has run in years so on the one I even dropped in a new 
engine but I know from the melted fuse box it had problems,

Initial test shows the following symptoms

Fuse 7 gets hot. (fuse box melted)
I never had one do this on a car I had running so I have not looked for it 
yet but it also drains the battery from somewhere and I am willing to bet the 
two are related. I have put in a new fuse box an a new Rob Grady Ground wire in 
the relays. I have yet to put power to the car.


On the other car the #1 fuse blows after the car starts for about 10 secs
I am guessing that the wire that goes through the firewall may be shorting 
out somewhere in the engine but again I have not honestly looked for it. Rob 
helped me start the search and hopefully I can find it quickly. I will be useing 
a meter to determine current flow and the normal resistance checks.

The car does start and run without blowing the fuse if I disconnect the 
Computer connection behind the drivers seat.

Obviously screws up mixture but it starts and runs just fine.

I am posting this since I have not seen it before in a working car and its 
probably easy to trace but this looks like a good one to share info on since I 
have 5 cars that I have redone that the #7 fuse has melted and the harness 
refurb seemed to fix it although I have yet to even look for where the problem was.

Obviously a common problem.  I usually redo the wire harnesses totally on the 
cars before I try to start them and whatever I am doing fixes it but I am 
interested in specifically locating the problem instead of doing a harness refurb.

I figure its a loose connection or something.  When I redo a harness I solder 
it together and the problems go away. New terminals help to.

Ok here is one (actually two) for you diagnostic gurus

Ken


[Non-text portions of this message have been removed]




To address comments privately to the moderating team, please address:
moderators@xxxxxxxxxxx

For more info on the list, tech articles, cars for sale see www.dmcnews.com

To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews 
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/dmcnews/

<*> To unsubscribe from this group, send an email to:
    dmcnews-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/