Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

how do i hook my fans up 2 come on with ignition?

Old Dec 26, 2002 | 09:06 PM
  #1  
89RsPower!'s Avatar
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From: New Jersey
Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
how do i hook my fans up 2 come on with ignition?

well title basically says it all.. i have no computer.. have the wires from the fans splicted off where charcole container would be.. have 2 wires from pervious owner spliced off which i was told are to the ignition when its in the on position... how do i go about hooking this up.. would i need a relay or somethin?
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Old Dec 26, 2002 | 10:13 PM
  #2  
deadbird's Avatar
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From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
This might help you..
https://www.thirdgen.org/techbb2/sho...11#post1061811
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Old Dec 27, 2002 | 08:05 AM
  #3  
Danno's Avatar
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From: Warrington, PA USA
Car: "02 z-28
Engine: LS-1
Transmission: 4L60E
Two fans two relays is a must. ignition controlled operation of two fans is not necessary and will kill the alt and fans in short order. get a cooler fan switch and install it where the original one was. pass side bet cyls 6&8. tie both relay coils(one end of coil) together and then hook that up to the fan switch. the fan sw will easily handle two relay coils since they draw very little current. hook the rest of the connections up standard wiring. all you will do eliminate is ECM control of the primary fan(which you don't have) and let the fan sw take over for the control of BOTH relays. NAPA has two different fan switches for TG's and they run $19. One comes on at 220 and the other at 238. You can get cooler ones from JET. This will give you the cooling and give the electrical system a rest.
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Old Dec 27, 2002 | 11:52 AM
  #4  
89RsPower!'s Avatar
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Joined: Apr 2002
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From: New Jersey
Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
hmmm thanx for the replys.. i sorta figured it out already... but as far as the second reply.. the problem with that is im not really tryin to run over 180 degrees... i know its kinda wishful thinking in a 3rd gen but thats what the engine makes the most hp and torque at.. hotter it declines... need a better radiator.. but i need money 2...
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Old Dec 28, 2002 | 01:38 AM
  #5  
MdFormula350's Avatar
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From: Maryland; USA
wire the fans on all the time and see what temp you run at.. a low stat like 170 and fans on all the time should get you to stay at around 180..
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Old Dec 28, 2002 | 04:43 PM
  #6  
89RsPower!'s Avatar
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Joined: Apr 2002
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From: New Jersey
Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
with em on all the time i stay around 190-200 when its cold out with a 160 in.. in the summer if i drive enough it will over heat.
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Old Dec 29, 2002 | 07:35 AM
  #7  
Danno's Avatar
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From: Warrington, PA USA
Car: "02 z-28
Engine: LS-1
Transmission: 4L60E
Originally posted by 89RsPower!
with em on all the time i stay around 190-200 when its cold out with a 160 in.. in the summer if i drive enough it will over heat.
You have other issues, I live in Pa and in cold weather with a 160 and average driving it stayed cold enough that it never really threw any heat with a 5.7 and the fans wired normally.
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Old Dec 29, 2002 | 08:25 AM
  #8  
89RsPower!'s Avatar
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Joined: Apr 2002
Posts: 3,552
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From: New Jersey
Car: 86 Corvette, 89 IROC, 1999 TA
Engine: 350, 350, LS1
Transmission: 700r4, 700r4, T-56
Axle/Gears: 3.07, 373, 4.10
yeah i think its a mixture of heat issues really.. all the forged components give all a little extra heat.. crank, rods, pistons, etc... plus my ****ty headers arnt really doin it any favors... they WERE ceramic coated but from it sitting for a while they started to rust a tad and a lot of it is flaking off...
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