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Put a new battery in my 86 gt vert, and when I hooked up the negative cable the section of wire shown in the pic just melted within a few seconds. Nothing happened to the fuseable link. I replaced the link with a 30 amp inline fuse, and now when I hook up the negative cable it blows the fuse. I did a continuity check from the fuse back, and all checks good. The wire is #37 on the wire diagram 10 gauge and it goes to the #1 and #10 fuses; fuel pump relay, and the ignition switch. so now what? Is a 30 amp fuse too small? I'm hoping that's the problem. By the way the 3G upgrade was done over a year ago.
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1986 gt vert 5 spd. 370,000+ original miles. (only engine work done..timing chain twice). original tranny, rearend, etc. original owner; daily driver 300 miles a week. (still passes calif smog legally!!) gotta love a mustang
FMR "C" springs; strut tower support; g- load brace; welded full length sfc's; kyb shocks/struts/quads; 6 pt.roll bar; 5 pt. Diest harness; msd 6a ignition; 3g 150 amp alternator
is there any other places that wire feeds other than what I posted. I get 0 continuity at all places. Is this the correct way to be checking for shorts?
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1986 gt vert 5 spd. 370,000+ original miles. (only engine work done..timing chain twice). original tranny, rearend, etc. original owner; daily driver 300 miles a week. (still passes calif smog legally!!) gotta love a mustang
FMR "C" springs; strut tower support; g- load brace; welded full length sfc's; kyb shocks/struts/quads; 6 pt.roll bar; 5 pt. Diest harness; msd 6a ignition; 3g 150 amp alternator
to test for a short you must remove power from that leg of the circuit, and one end of the ohmmeter goes to ground and the other to the B+ leg of the circuit being tested, if you obtain a low resistence reading, then there is a short on that leg of the circuit and you should begin tracing the wire from that point back, looking for a chaffed wire or broken insulation that is allowing the wire to ground out on another conductor.
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Originally Posted by dudeboy
Be polite and cordial when you talk to them, as pissing off the guys that can help you is seldom a good idea.
I have found the gremlin. I had used my fog light switch as a fuel relay kill and one of the wires got pinched under the seat track. finally learning how to read wire schematics it should have only taken but a few minutes to find. Thanks for everyones help
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1986 gt vert 5 spd. 370,000+ original miles. (only engine work done..timing chain twice). original tranny, rearend, etc. original owner; daily driver 300 miles a week. (still passes calif smog legally!!) gotta love a mustang
FMR "C" springs; strut tower support; g- load brace; welded full length sfc's; kyb shocks/struts/quads; 6 pt.roll bar; 5 pt. Diest harness; msd 6a ignition; 3g 150 amp alternator
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melted wire at starter relay
