1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

please help!!! been searching for hours!

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Old 03-30-08, 06:19 PM
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Cambridge Tire

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please help!!! been searching for hours!

85 SE, no spark leading or trailing. no tach signal. tried to change the ignitors to the GM ones, still no spark!! maybe coils? or is there anything else i should be checking ? no power to coils!!! all fuses are good. fusible links have been swapped to newer style ones. this is driving me nuts and starting to cost alot of money!!! new rotor cap plugs n wires as well. before it died completely was chugging and running like **** once warm! ran fine when cold and now wont start!

HELP ME!!!!
Old 03-30-08, 06:39 PM
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domokun!

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probably coils.
Old 03-30-08, 06:49 PM
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found the engine fuse BLOWN!!!! now i just put another one in and it ran for a whopping 20 seconds and it blew again!!! any reasons for this ?
Old 03-30-08, 06:50 PM
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do your dash lights come on. elec to coils should come from the ignition so check that system out. simple trouble shooting start simple work up but its probably somthing simple you have over looked thats what happens to me
Old 03-30-08, 06:55 PM
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if anything use a MSD 6al ingnition run a 3 coil setup
Old 03-30-08, 07:04 PM
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my coils check out fine... 1.5 ohms roughly. it keeps blowing the fuse !?!?!?! short circuit somewhere ? injector ground maybe ?
Old 03-31-08, 02:18 AM
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substitue higher resistance fuse?
Old 03-31-08, 06:50 AM
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Originally Posted by im_the_mainevent
found the engine fuse BLOWN!!!! now i just put another one in and it ran for a whopping 20 seconds and it blew again!!! any reasons for this ?
The Engine fusible link is directly connected to the electrical system in 3 places with a heavy gauge White/red wire. Alternator, ignition switch and the fuse box. Does the fuse still blow if you unplug the alternator? Don't let the unplugged wire touch ground.
Old 03-31-08, 10:47 AM
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Everytime I've had a weird electrical problem that involved different gadgets it was caused by a bad ground connection, usually the battery ground. Cleanup the ODs of the battery terminals and the IDs of the clamp-on connectors with a wirebrush. $4 at the autostore.
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