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Old 12-09-2008, 10:42 AM   #1
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Default any good "how to" guides on using digital multi-meters?

I'd like to know what I'm doing while I'm chasing down this problem with my fans.

When in doubt, start from square one. I don't know enough about them to know what I don't know.

There are known knowns. There are things we know that we know. There are known unknowns. That is to say, there are things that we now know we donít know. But there are also unknown unknowns. There are things we do not know we donít know.
-Rumsfeld
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Old 12-09-2008, 10:47 AM   #2
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Old 12-09-2008, 10:55 AM   #3
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Try Autpsoeed's tutorial:
part 1
part 2
part 3
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Old 12-09-2008, 10:55 AM   #4
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I'd start with the wiring diagram of the fan circuit.
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Old 12-09-2008, 10:56 AM   #5
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Just go faster to push more air through the rad. HA! But, seeing your wiring clutter from the transplant, check the power from the relays. Prolly lies somewhere from the MSPnP forward. Not much help w/o being there to chase it down. I hate electrical just as much as you do.
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Old 12-09-2008, 11:01 AM   #6
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Quote:
Originally Posted by Machismo View Post
Just go faster to push more air through the rad. HA! But, seeing your wiring clutter from the transplant, check the power from the relays. Prolly lies somewhere from the MSPnP forward. Not much help w/o being there to chase it down. I hate electrical just as much as you do.
I cleaning all that stuff up on Wednesday. Now that everything works properly, I'm going to shorten and tie everything. I bought $40 in zip ties and loom. Its going to be ultra clean, and I'm pulling anything which is unnecessary under the hood.

Last edited by hustler; 12-09-2008 at 11:12 AM.
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Old 12-09-2008, 11:48 AM   #7
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buy some extra fuses


and i'm sure they mentioned it in those tutorials, but when checking resistance make sure you isolate whatever you are checking from the circuit. if you're looking for something like a draw or big voltage drop i'd be checking amperage and just sort of moving your way from one end of the circuit to the other. amperage is a nice tool because it gives you more of a real world reading.

dunno what you're doing exactly, but those are to big tips that have helped me.
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Old 12-09-2008, 12:24 PM   #8
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Quote:
Originally Posted by ChairFaceChippendale View Post
buy some extra fuses


and i'm sure they mentioned it in those tutorials, but when checking resistance make sure you isolate whatever you are checking from the circuit. if you're looking for something like a draw or big voltage drop i'd be checking amperage and just sort of moving your way from one end of the circuit to the other. amperage is a nice tool because it gives you more of a real world reading.

dunno what you're doing exactly, but those are to big tips that have helped me.
And relays!
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