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12 volt switched source

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blueta

Member
Joined
Oct 18, 2002
Messages
539
I'm looking for a wire to tap into under the hood for my 12 volt switched source for my DIY alky kit. I don't want to use the fuel pump wire since it's also hot wired and I've heard that can cause the pump to energize and pump alky into my intercooler when the car is off. :eek: So any help is appreciated like always.
 
Use a relay and trigger it of the MAF power wire.

Or run a wire from the fuse box "IGN" to trigger a realy under the hood.
 
Thanks! Another question about my DIY kit. The shurflo pump I'm using has 1/2" barbs coming out of it. I can't find smaller ones that fit either. If I use 1/2" ID tubing for the kit is this too big? Any other options if this won't work? Thanks.
 
blueta said:
Thanks! Another question about my DIY kit. The shurflo pump I'm using has 1/2" barbs coming out of it. .

Careful what pump your using... not all Shurflo's are to be used for this...

If your using the correct pump.. then standard fittings area available to bring the sizes down.
 
45 PSI
Up to 3 GPM
12 Volt
Demand switch
Viton valves
Santoprene diaphragm
1/2 inch male ports
Corrosion resistant
Model# 2088-343-435

This is the pump I'm using. Is it ok?
 
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