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Modern Tractor Discussion Board Re: 1980 Ford Diesel [ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ] Posted by Blue Buddy on September 20, 2009 at 05:44:27 from (67.220.41.10): In Reply to: Re: 1980 Ford Diesel posted by ronnie finger on September 19, 2009 at 08:02:13: Ok,,fusible links, most of these have 2, one for lights, one for everything else, both come off the battery post on the starter, they are not 14 amp, they are 14 guage, so closer to 50 or 60 amps is the capability,, how to diagnose, a circuit breaker installed in place of the fusible link temporarily is best, a 30 amp will work for this, hook it up, and then with engine off try turning the key to run position and wiggle wire harness in different places to try to locate the short, the breaker will "click" when it shorts and trips, remove 4 dash screws so you can pull the dash partly out to see behind, watch, is not much wire and lights can pull out of the dash holders or fuel guage wire can be pulled off, camera or camera phone pic might be good if you have it part way out before you pull it way out if you have to(will need to unhook tach cable for that), common short is where the wiring lays on top of the fuel tank, wires vibrate and wear though over time, to get at wiring under dash remove the panels under dash so you can look in, you may need to remove the hood for better access as well hope this helps, post back if you have more trouble or need more help, and is always nice to hear what you find too good luck Replies: Add a Reply Name: E-Mail: Subject: Comments: Optional Link URL: Link Title: Optional Image URL: Optional Video Title: Optional Video URL: Advanced Posting Options Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.   Advanced Posting Tools   Upload Photo  Select Gallery Photo  Return to Post