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91 s10 possible electrical problems
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Smallnetto
Novice
Mar 24, 2012, 1:10 AM
Post #1 of 9
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91 s10 possible electrical problems
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Alright,(91 chev s10 4.3L V6 200k miles "70k on motor") so I have been having some strange problems I'm going to list them to make this easier. 1---- headlights/stereo/dash lights shut off but truck is still running at stop lights also the problem gets worse if I turn up my stereo and of I give it just a little gas I have no problems. 2---- rough start if it's cold or raining I have to give it some gas to get it to stay started but once running runs fine. 3----- after driving for around 10 min if I turn off the truck occasionally I loose all power and the truck will not do anything no lights no nothing until it sits for sometimes 20 min sometimes a few hours(I think it starts after the motor cools) then I regain all electrical power and it will start. ***** what I have tried *******. New fuel filter....tested starter (while cold)... Removed and reconnected starter..... Disconnected all electrical equip in the cab..... (almost all parts in the engine compartment are no more then 3-4 years old)..... Fuel pump 2yr old .....
(This post was edited by Smallnetto on Mar 24, 2012, 2:45 AM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 24, 2012, 3:34 AM
Post #2 of 9
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Re: 91 s10 possible electrical problems
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And this stereo you have................. how many watt is it?
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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.
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Smallnetto
Novice
Mar 24, 2012, 9:33 AM
Post #3 of 9
(2870 views)
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Re: 91 s10 possible electrical problems
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well i tried to look it up and it says on the box supports 50 watts x4 but i don't have anything hooked up to it no amps and no subs or anything... not to mention i bought the stereo back in 2002 i checked the ground for the stereo thinking it may be a cause of some of my problems and i disconnected all the speakers and then drove around but it did not make a difference.
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 24, 2012, 10:14 AM
Post #4 of 9
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Re: 91 s10 possible electrical problems
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Sounds like you have a connection problem somewhere.
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Smallnetto
Novice
Mar 25, 2012, 2:59 AM
Post #5 of 9
(2832 views)
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Re: 91 s10 possible electrical problems
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Is there anywhere I can find a wiring diagram for the truck so I can check them easier?
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Hammer Time
Ultimate Carjunky
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Mar 25, 2012, 4:26 AM
Post #6 of 9
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Re: 91 s10 possible electrical problems
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Wiring diagrams are made for specific circuiis and not the entire truck. They don't tell you where anything is and unless you know how to read one, isn't much help to you at all.
Check all your fuses and power supply points such as the fusible links at the starter, fuse boxes and ignition switch.
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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.
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Smallnetto
Novice
Mar 25, 2012, 6:27 AM
Post #7 of 9
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Re: 91 s10 possible electrical problems
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Could the ignition switch cause some of my problems because i do have ALOT of keys that i use for work
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Hammer Time
Ultimate Carjunky
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Mar 25, 2012, 7:01 AM
Post #8 of 9
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Re: 91 s10 possible electrical problems
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The ignition switch, ...yes it could.
The ignition lock that you are referring to................ no
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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.
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Smallnetto
Novice
Mar 27, 2012, 7:32 PM
Post #9 of 9
(2786 views)
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Re: 91 s10 possible electrical problems
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PROBLEM SOLVED... it was a fusible link running from the alt to the battery was fried... thanks for the advice
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