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+--- Thread: 12 volt power sources (/showthread.php?tid=2034)
12 volt power sources - led-panzer - 12-03-2010
When I finish my project I will have at least six things that require a 12 volt power source, three under the hood and three in the car. As far as in the car, would you use the wires for the cigarette lighter? And could three gauges run off of one set of wires? And for under the hood, is there an easy place to tap into? Obviously you don't wrap wires around the battery terminals (like the idiot who owned my jeep before me
)
RE: 12 volt power sources - winmutt - 12-03-2010
You can use the cig lighter, especially if your putting your gauges there. The real question is how much amperage and how clean does it have to be? Auto DC is not clean.
RE: 12 volt power sources - ForcedInduction - 12-04-2010
Run a wire down to the starter terminal and use an inline fuse.
You can also buy a fuse panel and mount it wherever you can find space. I got rid of the annoying glovebox light and mounted my panel in there.
RE: 12 volt power sources - led-panzer - 12-04-2010
Do you use an inline filter for your EMP gauge?
RE: 12 volt power sources - ForcedInduction - 12-04-2010
Nope.
RE: 12 volt power sources - Captain America - 12-04-2010
inline filter for what?
RE: 12 volt power sources - led-panzer - 12-04-2010
Exhaust manifold pressure gauge, I wondered if it would be needed to not clog the gauge with soot.
RE: 12 volt power sources - willbhere4u - 12-04-2010
I think it would be fine there is not a lot of air moving through it it just gets pressurized
I think the more important part is to use enough line so it dose not get hot! some people use copper line coiled around to cool it down form a 1000* +
RE: 12 volt power sources - Captain America - 12-04-2010
Ahhh gotcha. I didn't think about that!
RE: 12 volt power sources - ForcedInduction - 12-06-2010
You could also wrap it around the ATF dipstick tube, that would work like a heatsink allowing less tube to be used.
RE: 12 volt power sources - led-panzer - 12-06-2010
Thanks forced. Did you hook up your intercooler pump to that same fuse block?
RE: 12 volt power sources - ForcedInduction - 12-06-2010
No. The pump must be cycled with the ignition. Its 1amp pull will drain a battery overnight.
RE: 12 volt power sources - led-panzer - 12-06-2010
What if I wire it to a toggle? Sorry I know hardly anything about electronics, I'm a machinist not a mechanic
RE: 12 volt power sources - Captain America - 12-06-2010
My pump toggles with the key in stock form... dunno if that's how it was ment to work or not but that's what happens
RE: 12 volt power sources - led-panzer - 12-06-2010
I think ill toggle the pumps, that way when I start it the only draw on the battery will be the glow plugs, I'm paranoid about cold starts. Obviously the lights in the gauges get toggled to the headlight switch.
RE: 12 volt power sources - ForcedInduction - 12-06-2010
An automatic-on option would be to use an oil pressure switch.
RE: 12 volt power sources - led-panzer - 12-06-2010
But wouldn't a custom engraved plate with switches with the fancy covers look so much cooler?
RE: 12 volt power sources - ForcedInduction - 12-06-2010
Meh. I don't really like switches for very minor things cluttering up the dash when it could be done seamlessly with the ignition. If I need the pump off I just pull the fuse.
The only switches I have are for the rear dome light, turbo disable and water injection disable (dome, air compressor, WI and climate control knobs on the 240).
RE: 12 volt power sources - led-panzer - 12-06-2010
The oil pressure switch was a very good idea though, I didn't think of that.
RE: 12 volt power sources - willbhere4u - 12-06-2010
Turbo disable what's that for super slow mode engaged!
RE: 12 volt power sources - ForcedInduction - 12-06-2010
Prevents turbo surge at low speeds.
RE: 12 volt power sources - Captain America - 12-06-2010
Totally off topic but could a blow off valve be used to take care of the surge?
RE: 12 volt power sources - led-panzer - 12-06-2010
How does a blow off valve work? Like a wastegate for the intake manifold?
RE: 12 volt power sources - ForcedInduction - 12-06-2010
(12-06-2010, 10:30 PM)Captain America Totally off topic
HA! When was the last post relating to the thread topic? (#3)
Quote:but could a blow off valve be used to take care of the surge?No. That would cause high exhaust pressure and easily overspeed the turbo.
RE: 12 volt power sources - willbhere4u - 12-06-2010
over speed it then slam the blow off valve closed and instant boost! 0-20 psi in .1 of a second hell yea!
RE: 12 volt power sources - ForcedInduction - 12-06-2010
As well as a shaft in 20 pieces.
RE: 12 volt power sources - willbhere4u - 12-06-2010
I have an exhaust turbine out of a turbo eclipse
The shaft broke and I found it in the catalytic converter at the junk yard I work at! The funny part is that the turbo on the car was fine it had a rod knock but ran and made boost still! And there was another good turbo in the trunk!
They where using nitrous to spool the turbo or some junk like that it had a nitrous ports in the exhaust housing some really goofy stuff!
RE: 12 volt power sources - Captain America - 12-07-2010
I like willbe's thinking! BOV closes and POP goes the weasel bahahaha!
Well crap. Guess I didn't spend too much time thinkin that one out haha. Oh well, good thing it was just two cents and not dollors huh?
I know a guy that drag raced VWs. He was using a V8 distributor and the extra four wires went to four plugs that were in the turbine housing! Guess it worked real well in helping the huge turbo to spool
RE: 12 volt power sources - ForcedInduction - 12-07-2010
(12-07-2010, 12:24 AM)Captain America I know a guy that drag raced VWs. He was using a V8 distributor and the extra four wires went to four plugs that were in the turbine housing! Guess it worked real well in helping the huge turbo to spool
Thats not a bad idea at all. Kid of like the anti-lag rally racers use.
RE: 12 volt power sources - 300D50 - 12-07-2010
Oooh, that's an interesting idea.... but how would you do it without screwing up the flow in the housing? I'm thinking you'd need custom electrodes.
And why the avatar change back to #21?
RE: 12 volt power sources - ForcedInduction - 12-07-2010
Didn't like the picture and RD hasn't posted for 4 days.
RE: 12 volt power sources - willbhere4u - 12-07-2010
Hey forced how about this factory Mercedes blow off valve LOL!
http://cgi.ebay.com/ebaymotors/GARRETT-T3-TURBO-CBV-EXTERNAL-BLOW-OFF-VALVE-BOV-_W0QQcmdZViewItemQQhashZitem2c57dc8a89QQitemZ190452632201QQptZMotorsQ5fCarQ5fTru%E2%80%8BckQ5fPartsQ5fAccessories
RE: 12 volt power sources - led-panzer - 12-07-2010
That is fail thread material lol
RE: 12 volt power sources - 300D50 - 12-07-2010
bwaaaahahahahahhahahahhahahahhahahahahahahhahahhahahah!
Quote:
Dear jimmy1000000,
Hey, just wanted to let you know that isn't a BOV, it's the EGR valve off of a California car.
Hope that helps you out!
- waltz529