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Family 4door
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911 Posts
Discussion Starter · #1 ·
Does anyone have the wiring portion for the ver3/4 intercooler spray bottle?

The wiring manuals I have don't show the portion on the spraybottle, just on the ECU side (B137-16 and B135-13). Initially, since the pump on the oem RA bottle looks the same as the wiper bottle, I was just going to rig up the switch to go directly to the pump. But now I'm curious as to why there is a signal wire going to the ECU for the intercooler spray setup. I realze at the bottom of the bottle, theres a sensor for how low the container gets with fluid...but I figure this would go straight to the cluter. Any help is appreciated.
 

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2005 Acura NSX
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1,038 Posts
It could be for auto spray. For example, when your car hits over 6000rpm the ECU turns on the I/C sprayer by itself. Which is why you sometimes see the "I/C AUTO" button.

If you want to see one way to hook up the system look on page 8 here:

http://www.rs25.com/forums/showthread.php?t=65042&page=8

That bottle doesn't have low fluid warning light but that's pretty straight forward.
 

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Family 4door
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911 Posts
Discussion Starter · #6 ·
Thank you!!! This helps clarify everything. I like the Auto Switch on the diagram, but not sure if I'd be able to source the Timer. Might just have to run the oem Manual switch instead.
 
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