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

Electric Water pump

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Old Feb 21, 2009 | 03:55 PM
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Default Electric Water pump

How is the electric water pump hooked up on a 96 lt1 camaro. Thinking about buying one and need to know how mount it and wire it up. Thanks to anyone with info
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Old Feb 21, 2009 | 04:02 PM
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the mounting is as a factory would. the wiring you can wire to anything that has power when i the key is on.
key on engine off as well as key on engine on.
i hooked mine to my lights.
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Old Feb 21, 2009 | 04:46 PM
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wiring mine to a switch inside the car
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Old Feb 21, 2009 | 05:16 PM
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I would suggest putting it on its own relay and using a Key-On power wire to to trip the relay, as well as a manual switch to circulate the water when the engine is off if you wish.

The stock relays in pass cars in general are pretty taxed and adding another accessory, esp a water pump that pulls some significant amperage is just asking for trouble in my book.

I think painless makes a wiring kit for the pump. You're better off doing it right the first time than hacking into some other wire that has power and losing an engine to overheating.

JMHO

Last edited by gregrob; Feb 21, 2009 at 05:24 PM.
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Old Feb 21, 2009 | 05:19 PM
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http://www.painlessperformance.com/w...rchField=50106
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Old Feb 21, 2009 | 05:23 PM
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Summit's kit also comes with a relay and wiring kit.
http://store.summitracing.com/partde...5&autoview=sku

Looks like the painless one they just packaged together w their pump

Good luck
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Old Feb 21, 2009 | 05:46 PM
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i wired mine so that the starter wont work if the pump isnt on.that way i cant forget to turn it on
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Old Feb 21, 2009 | 07:08 PM
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I just wired mine to a key-on relay under the hood. If the key is on, the pump is on. Simple.
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Old Feb 21, 2009 | 08:03 PM
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Ok my next question is what is the best electric water pump out their ? Thanks for the replys guys
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Old Feb 21, 2009 | 08:19 PM
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All have their advantages and disadvantages. The Meziere requires trimming of the fan shroud, while the CSR requires trimming of the water pump housing.

I am running the CSR pump and am very happy with the results.
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Old Feb 22, 2009 | 11:38 AM
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Can you just wire it to the wires that were previously going to the air pump???/
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Old Feb 22, 2009 | 12:38 PM
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Originally Posted by jrock692
Can you just wire it to the wires that were previously going to the air pump???/
Thats what i am wondering. If so I would just put a plug on the pump wiring.
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Old Feb 22, 2009 | 12:41 PM
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when you run an electric pump what do you do with the drive gear for the stock pump?
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Old Feb 22, 2009 | 12:53 PM
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Originally Posted by jrock692
Can you just wire it to the wires that were previously going to the air pump???/
Originally Posted by bowtiedad_z28
Thats what i am wondering. If so I would just put a plug on the pump wiring.
No. The AIR pump only runs at cold startup. Anytime the engine is on the pump needs to be on, just like the stock pump. Hooking the pump to the AIR harness is not a good idea. Short version - you'll overheat.

Originally Posted by Formula-95
when you run an electric pump what do you do with the drive gear for the stock pump?
You can leave it protruding from the timing cover. Or, you can pull off the timing cover, remove the drive gear (2 small bolts), and plug the hole in the timing cover with a freeze plug or a quarter and JB Weld.
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Old Feb 22, 2009 | 12:53 PM
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1. get the meziere

2. go to http://www.ws6.com/Kelley-wp.htm
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Old Feb 22, 2009 | 01:14 PM
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the only problem i had with the CSR is that the propeller can come unscrewed under hard acceleration.it will unscrew until it hits the housing then blow the fuse.i had that happen to me at the track and i had to get towed home.now i just have the CSR for a back up
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Old Feb 22, 2009 | 02:15 PM
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Originally Posted by RamAir95TA
No. The AIR pump only runs at cold startup. Anytime the engine is on the pump needs to be on, just like the stock pump. Hooking the pump to the AIR harness is not a good idea. Short version - you'll overheat.
Thanks, that answered my question.
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Old Feb 22, 2009 | 02:44 PM
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Originally Posted by RamAir95TA
No. The AIR pump only runs at cold startup. Anytime the engine is on the pump needs to be on, just like the stock pump. Hooking the pump to the AIR harness is not a good idea. Short version - you'll overheat.



.
Mine is ran off the pump circuit and has no issue It was a Ko circuit for me, I also have a led ran to the gauge cluster so I know its on, I think this may be different between years as we tried it on a 94 and the circuit wasnt live with the ko
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Old Feb 22, 2009 | 04:03 PM
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Originally Posted by cgroh89
Mine is ran off the pump circuit and has no issue It was a Ko circuit for me, I also have a led ran to the gauge cluster so I know its on, I think this may be different between years as we tried it on a 94 and the circuit wasnt live with the ko
Let me get this straight - you're running your electric water pump off of the AIR pump harness? IE, your pump only runs when the PCM calls for the AIR pump?
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Old Feb 22, 2009 | 04:19 PM
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No the circuit on my car is live when the key is on , once the key turns on pump turns on , air pump has been deleted and I just used these wires. In your fuse box where your air pump fuse it I just soldered into the back side, If I recall right it is a brown wire.
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