1.21 Gigawatts?!?!

[ser2102]

so i got a problem with my flux capacitor.... well not really

ok, so i have:flex-a-lite duel electric fansDif dual fan controllerWesco small battery

When the car is off, the fans wont turn on if they are switched on together. however, they work one at a time.

when the car is running, without the fans, im running at about 13.7~ volts. soon as i kick on both fans, volatge drops down to 12, and they shut off. voltage climbs back up to 13.5ish, they come on and so on.

so heres the problem. this wesco battery isnt holding enough power for the fans to stay on.

i have 2 solutions and want to know which would you guys do first?

1. get an optima redtop, and relocate it to behind the passenger seat, or2. get a hyper voltage system by sun auto.

so what would you guys do? im leaning towards the hyper volatge stabilizer first, if thats not enough then get the optima second. j
Modified by ser2102 at 8:50 PM 9/11/2007

[Didderson]

The problem could be that you wired the fans up wrong. If you wire them series, the same amount of current will reach each fan. The problem with this is you can't run DC circuits in series without having the voltage drop from one resistor(fan) to the next, so both fans would only get 6V. So, since you have a dual fan controller, I'd hope that they have 2 wires for each fan, 2 separate circuits coming out of your controller.

If so, then you're getting the maximum current out of your setup already. Unless you have some absurdly small power/ground wires. A larger battery would solve your problem because a larger battery has more room for cells, thus, more cells. The more cells there are, the cells are linked in series so the current is full and the same, then all those cells add up to 14V or w/e your alternator charges at.If your fan grounds are solid then you wouldn't have as much voltage drop. Wires themselves are resistors if they're small enough and can't carry your electron flow. A ground kit wouldn't help AS much as making sure the grounds for your fans go directly to chassis and are nice and contacting the **metal.** Try adding some silicone before you screw it down to the chassis too, it's a great liquid conductor!

Basically, if you've already got the big power wires and decent grounds IE: nice thicker than stock wiring from the battery to various chassis/engine points.

Then I'd reccomend going with a larger battery. Wiring is cheap. Don't get their 'voltage accelerator' system, I don't think you need it to solve your problem.

Hope this helps ya man

Sry about the jargon and stuff but i hope u learned something I have an electronics exam on thursday lol.
Modified by Didderson at 8:47 PM 9/11/2007

[ddgsxr504]

It's Jigawatts not Gigawatts! Know your role son.

[assassin7420]

get a braille.http://www.brailleauto.com/

[ddgsxr504]

get a braille.http://www.brailleauto.com/

Is it made by blind people??

[Didderson]

lol... blind people selling auto parts...

It's like those brail pads on the drive thru ATMs...

[ser2102]

Hope this helps ya man

Sry about the jargon and stuff but i hope u learned something I have an electronics exam on thursday lol.

Hey i get the jargon its cool. maybe should have put more info into it. The fans are wired separately to the fan controller. thats how it controls one at a time.

their grounds share the main ground coming from the battery to the body. and i replaced the stock ground wire with a 2 gauge just recently.

i was thinking about the hyper voltage system because its supposed to stabilize the voltage with that little box. i know ground wires by themselves wont do a whole lot, so i was hoping the stabilizer would keep the volts from dropping.

maybe i could throw on a 1 farad capacitor for ishes and giggles? haha i have an extra one laying around.

keep the ideas coming guys!

[mrgreeneyes]

that "stabilizer" is just a small capacitor, only to absorb small variances in voltage (spikes or drops). its BS really.

didderson really nailed it. check ALL grounds and make some new ones if need be. my engine bay is redone with 10+ new 4g grounds... grounding all major electrical ares of the motor/bay (alt, intake mani, distro, headlights, etc). ground only to BARE METAL... sandpaper/grinding bit are awesome.

also, maybe high quality (read: non pepboys) battery terminals are in your near future. knukonceptz.com has great products from my experience and are economical at about $12 a piece for terminals.

over 1v drop is pretty dang healthy, so start with what i've mentioned... and go from there.

also, the cap can be either helpful or detrimental... from personal experience. b/c the cap is designed for quick hard draws, it may not be the best solution. also, when not under load, the cap is pulling from your little battery to recharge...


Modified by mrgreeneyes at 1:14 AM 9/12/2007

[White Comet]

^^^ always listen to this guy on electical issues

ps- very articulate response, didderson. u got on that one nicely

[mrgreeneyes]

i had better know this stuff. its what i do for a living...

thread jack. white comet, when is your car gonna be done with paint... so i can put that headunit in? im itching for something to do outside of work...
Modified by mrgreeneyes at 1:48 AM 9/12/2007

[White Comet]

i'll let u know asap. i might be free 2marrow eve, ill give u a call

[eazye2000]

I'll second the grounding issue.

I didn't go apesh|t and put like 10 grounds on my engine like mrgreeneyes did.. lol (no offense) But I did put 3 4 gauge grounds in addition to any other ones that were already there. It's also a good idea to kinda 'daisy chain' your engine together with grounds. i.e. your throttle body, to your lower intake, to your upper intake, to your head, to your block. yadda yadda.And also put another one from your battery, to the chassis.. Can't hurt. Well, in weight I suppose..

It's late, am I making sense? ...i usually don't.

[mrgreeneyes]

ha, no offense taken bro.

but when you think about it... all your "daisy-chained" wires are not providing the most direct ground path and will probably equal the number of wires i have

btw, the "10" includes the factory ones i redid with bigger gauge. "10" sounds like a lot until your sit back and look at it...

[White Comet]

its true 10 isnt that many, the engine bay doesnt look crowded or anything

[homeslicej2]

thread jack mrgreeneyes can you e-mail me? i have some questions for you regarding replacing the factory alt. wiring with larger gauge while having a battery relocation. thanx. [email protected] /threadjack