02-24-2019, 04:53 PM | #1 |
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Location: west valley city Ut
Posts: 120
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No Power
85///305/carb. started truck up after sitting for a week let it warm up after i turned it off when out 20 min later ..nothing battery is new where do i start to look for the issues thanks for any /and all suggestions !!
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02-24-2019, 05:00 PM | #2 |
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Re: No Power
Will it crank over?...check battery cables...new batteries go bad to...
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02-24-2019, 05:36 PM | #3 |
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Re: No Power
no crank... cables good! i took out the battery and put in one from my other truck which is new !! try to jump start with battery charger and nothing!! no lights. no stereo. my buddy thinks is a fusible link ??
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02-24-2019, 05:48 PM | #4 |
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Re: No Power
Make sure you have a good connection where the negative cable bolts to the engine. I had the exact same problem and that is all that it was.
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02-24-2019, 11:03 PM | #5 |
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Re: No Power
Not a lot of info provided. Time to get out the voltmeter and first, measure voltage across the battery. Then move to the junction block on the fender and measure to ground. There's a nice wiring diagram on this site you can download.
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02-25-2019, 12:47 AM | #6 |
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Re: No Power
Don't assume the cables are good. Had a negative cable that looked good. Cleaned up nice. But apparently the end had turned into noconductium. Any current flow would cause a small pop and no more contact. Replaced cable and problem solved.
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02-25-2019, 07:56 PM | #7 |
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Re: No Power
A voltage drop test would reveal that kind of failure. Swhy you do that first.
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And please let us know if and how your repairs were successful. |
02-26-2019, 02:56 PM | #8 |
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Re: No Power
Well...im not going to be much help here with the original problem. But i thought maybe I could ask someone who does know to lay things out in a way we can all understand.
Maybe the original poster is like me. I am in no way electricly inclined. Ask me to change brakes, a starter and im good. Pull the motor or trans, im fine with that. Change a fender or bed, sure. But ya ask why something's not getting power, and say it's not the battery, I'm lost. I just don't read schematics well enough to effectively trace anything out. Case in point, my k5 has set for 9 months now because a mod that was supposedly plug and play turned into plug and blow. I assume my problem is a fusible link, but who knows. That's why I personally looked at this thread. I thought maybe something said to this guy could help me too. Now Franken and Hatzie, you both seem like you know what to do. But just saying do a voltage drop test does nothing for me. You would have to say positive lead here, negative lead here, voltage in between should be thus, if not look from here to here. I hate to ask and certainly don't want to hijack or insult the OP by saying he may be like me... but maybe one of you guys could dumb it down that far, if only for my sake?
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1978 Scottsdale - celebrating 10 years of teaching me profanity 1990 Silverado - bought in Nov. 2016 and it's already catching up - Sold 1987 k5 blazer - sold... :\ seed money for the 81 1981 k20 4x4 - 5.3 swap in progress Events attended: Spring GOG 2011 Dale JR car show Summer 2012 Gathering at Tommys pickup parts |
02-26-2019, 03:16 PM | #9 | |
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Re: No Power
Quote:
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02-26-2019, 03:38 PM | #10 |
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Location: Wentworth, NH
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Re: No Power
Post 18 in the following thread is my bare bones explanation of voltage drop testing the main power feed and ground wires.
http://67-72chevytrucks.com/vboard/s...d.php?t=720690 The exact locations of components varies from year to year.
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
02-27-2019, 09:52 PM | #11 |
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Location: west valley city Ut
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Re: No Power
truck fixed the alternator bolt to the intake was lose enuff to not make connection all better thanks for all the info!!!!! PO is a diesel mechanical ..
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