LT1-LT4 Modifications 1993-97 Gen II Small Block V8

wiring a electric water pump?

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Old Jun 29, 2006 | 11:53 PM
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Default wiring a electric water pump?

so when wiring this thing is it just a reg. 12v system or do i need relays n stuff??
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Old Jun 30, 2006 | 10:33 AM
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They draw enough amperage that you do need to use a relay.
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Old Jun 30, 2006 | 12:00 PM
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^^^ ditto
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Old Jun 30, 2006 | 01:53 PM
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Use a relay.. simple to do with the WP too....
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Old Jun 30, 2006 | 02:32 PM
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6-8A draw, and you want it to come on and shut off automatically.
Use a standard 12V automotive relay and use your fan circuit as a trigger.



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http://www.ls1howto.com/index.php?article=26 (LS1 <-- good read even if you are doing an LT1)
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Old Jun 30, 2006 | 04:28 PM
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Summit sells a relay kit specifically for electric water pumps. It is like 30 bucks.

Heres the link......
RELAY KIT LINK
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Old Jun 30, 2006 | 06:07 PM
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What I used
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Old Jun 30, 2006 | 10:01 PM
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Originally Posted by seawolf06
Indicator LEDs are a nice addon, I was thinking of doing that.
I want to hold off a bit and see what happens with the alarm circuits
people are designing. (the ones that tell you "HEY Dumbass, your
pump is drawing too much/too little current and is about to fail!")
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Well I dont understand relays so I would run the orange wire form the fise box (fans) into the relay and then what? have it come out the other side of the relay and continue wherever it was going before?
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