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83 S-10 Ignition issues


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Strange1
Novice

Nov 4, 2009, 1:40 PM

Post #1 of 14 (1608 views)
83 S-10 Ignition issues Sign In

Vehicle info: 1983 S10 Chevy PU/2WD/auto tranny/2.8 eng/tahoe trim/58K actual miles.

Prob: Filled up at gas station. Started normal. Drove out of station a few feet and died. Nothing happens when ign engaged. After pushing into vacant business, found headlights/dash lights/dome lights/horn work. Head lights remain bright and unaffected when trying to start. tail lights/brake lights/hazard lights/ radio/heater fan doesn't work. Located fuse box under dash and visually checked IGN fuse. appears ok. Where do I start checking? Remember headlights are bright and unaffected when Ign is in start position.
Thanks.

Jack


(This post was edited by Tom Greenleaf on Nov 22, 2009, 3:34 AM)


Hammer Time
Ultimate Carjunky / Moderator
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Nov 4, 2009, 3:51 PM

Post #2 of 14 (1599 views)
Re: No response from Ign Sw....... Sign In

Check the fusible links attached to the starter. Pull on each one, if any stretch, replace them with fuse wire.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Strange1
Novice

Nov 4, 2009, 4:16 PM

Post #3 of 14 (1591 views)
Re: No response from Ign Sw....... Sign In

Thank you. I didn't realize there were fusible links on the starter. Plan on checking them tomorrow.

Jack


Tom Greenleaf
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Nov 4, 2009, 4:34 PM

Post #4 of 14 (1590 views)
Re: No response from Ign Sw....... Sign In

To add: GM side post battery connections are a problem spot. Takes little for lighting but the whole enchilada power of battery for starting,

T



Strange1
Novice

Nov 4, 2009, 4:45 PM

Post #5 of 14 (1581 views)
Re: No response from Ign Sw....... Sign In

Thanks. Do keep in mind that the tail lights/brake lights/ turning signals/ hazards/ radio/ heater fan doesn't work either. I'm trying to locate a full wiring schematic, incl ignition wiring. Also no click of the solenoid on battery. So far, lots of things I haven't checked but the conditions just make no sense.

Jack


Tom Greenleaf
Ultimate Carjunky / Moderator
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Nov 4, 2009, 4:58 PM

Post #6 of 14 (1579 views)
Re: No response from Ign Sw....... Sign In

Until you know battery connections are good you are wasting time IMO,

T



Strange1
Novice

Nov 4, 2009, 5:10 PM

Post #7 of 14 (1573 views)
Re: No response from Ign Sw....... Sign In

Thanks Tom. I'm taking your advice to heart. Will post again when I have more info.

Jack


Strange1
Novice

Nov 6, 2009, 2:46 PM

Post #8 of 14 (1555 views)
Re: No response from Ign Sw....... Sign In

Still fighting it. Batt terms ok and tight. Exactly where are the fusable links and what do they look like. Also, how to check them and replace if necessary? Thanks to all.

Jack


Loren Champlain Sr
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Nov 6, 2009, 4:00 PM

Post #9 of 14 (1554 views)
Re: No response from Ign Sw....... Sign In

The fusable link that HT referred to is right where he said. Connected to the starter. Apprx. 10ga. wire. Usually, red in color. At least before it burned.Unsure
Loren
SW Washington


Strange1
Novice

Nov 6, 2009, 4:31 PM

Post #10 of 14 (1550 views)
Re: No response from Ign Sw....... Sign In

connected to one terminal of the solenoid (small connection) is a wire that is mostly bare. Thought perhaps that is a ground wire. To the other term of the solen are 2 red wires. inline of each wire is a black cannister looking thing about 1/2" dia and 1 1/2 in long. cannister (connector) black and round red wire coming out of each end. From the looks the black conn and the wire are formed at factory. How long are the fused links? Thanks. sorry to be such a dork.

Jack


Hammer Time
Ultimate Carjunky / Moderator
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Nov 6, 2009, 4:45 PM

Post #11 of 14 (1547 views)
Re: No response from Ign Sw....... Sign In

All the smaller wires connected to the main terminal at the starter are fusible links that are main power feeds to the car. If one of them is bare, then that's the one that burned up. This is special wire that melts when overloaded and acts as a fuse. Buy a piece of fuse wire with a big eyelet on it and splice it into that wire and any others that can be stretched when pulled on.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Loren Champlain Sr
Veteran / Moderator
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Nov 6, 2009, 4:52 PM

Post #12 of 14 (1543 views)
Re: No response from Ign Sw....... Sign In

Jack; There are no ground wires going to the solenoid. The black 'thing' you are referring to would be the downward end of the fusable link. If you 'tug' on it, it will break as HT mentioned. Be sure to repair that wire that is "mostly bare".
Be sure to replace the fusable link with fusable link wire which is available at most parts stores. Buy the correct guage.
Looking at the top of the lower left picture, that is the post that the battery terminal and the fusable link attaches to. MFG Code: ECC
Part Number: 25-1621
Description

SpecificationsThe fusable links are about 4-6'' long. You can use solderless connectors to replace it.
Loren
SW Washington


Strange1
Novice

Nov 6, 2009, 5:19 PM

Post #13 of 14 (1542 views)
Re: No response from Ign Sw....... Sign In

Thanks guys, It is beginning to make sense. Will go to parts store tomorrow and get fusable links. As an 'old' mechanic (pre 70's,) one would think I would have run across something like this before, but didn't. Thanks again. Will post update later.

Jack


Strange1
Novice

Nov 20, 2009, 5:52 PM

Post #14 of 14 (1518 views)
Re: No response from Ign Sw....... Sign In

Ok fixed. was fuse wire to solenoid. Thanks again.

Jack






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