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/cgi-bin/YaBB.pl General Category >> The Cafe >> Reading an ohm meter /cgi-bin/YaBB.pl?num=1347978883 Message started by justin_o_guy2 on 09/18/12 at 07:34:43 |
Title: Reading an ohm meter Post by justin_o_guy2 on 09/18/12 at 07:34:43 Okay, Im confused, still, or again,, nope, its still,, Id hafta get UNconfused in order for it to be "again".. wiring problem on the 4 wheeler. REading the "short" thats draining the battery. On the 2 K scale its .756 20 K = 2.71 200 K = 19.2 2 Meg = .157 20 Meg = 1.24 Consistent, meter is a 1991 Radio Shack digital that has been handled as gently as a tool can be. Do those readings make sense? 2K & 2 Meg are waaaay too close to the same,, seems like the same numbers otta be there with a decimal point moved,, |
Title: Re: Reading an ohm meter Post by youzguyz on 09/18/12 at 07:44:30 Looks like something in there is feeding power to the meter. Did you check for DC and AC voltage? And try reversing the leads as well. Yeah.. I know it's a vehicle, and there shouldn't be any other source of power. And.. how old is the battery in the meter? |
Title: Re: Reading an ohm meter Post by justin_o_guy2 on 09/18/12 at 16:43:58 That right there is a good question,, & it does get hot in the shop. & there cant be power to it, the battery is out of the circuit. AND,, I decided to check the oil,, its got gas in it,, POOT! Ill stick a fresh battery in it,,( the meter) |
Title: Re: Reading an ohm meter Post by Gyrobob on 09/18/12 at 19:06:58 The readings on the scales should be the same with the only diff being the decimal point moving to the right as you go from no K to 2K to 20k to 200k, etc. 156 on no k, would be .156 on 2K and .000 on 200k. |
Title: Re: Reading an ohm meter Post by justin_o_guy2 on 09/18/12 at 19:29:19 Thanks Gyro,, thats what I was thinking,, Its old,, IDK,, Ill poke a fresh 9 vo0lt in it & see how it acts,, |
Title: Re: Reading an ohm meter Post by youzguyz on 09/19/12 at 04:22:34 4E5157504D4A7B4B7B43515D16240 wrote:
Main Battery no. Backup batteries for accessories, maybe. Also other eletrics with possible capacitors in them. And stray alien signals being picked up on yer antenners. I normally short the hot battery cable to ground, then check for voltage, then go look for shorts (or long pants if it's cold outside). |
Title: Re: Reading an ohm meter Post by justin_o_guy2 on 09/19/12 at 07:19:43 well,, its a yamaha 250 4 wheeler, wiring harness is pretty minimal. I Found what was draining the battery, well,, kinda,,the wire that is causing the load goes up behind the Pull Cord Cover ( yea, it has a starter cord on it., I guess its for setting the valves, cuz there is no WAY an average person could pull that thing with the plug in it. So, anyway, now I know why its so intermittent, I saw where the wire went & decided to tug on that cord, the load went away,,Hard to call it a short, its so low current it wont even lite a test lite, |
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