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Discussion Starter #1
My friend working on O2 1800 VTX trying to make some room under seat thinking of standing ecu up in the tool box area by removing the boxes lid. I'd foam to keep shaking down. But any reason it need to sit flat
 

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It does not need to sit flat. Standing on end like that, I'd be 100% certain it could never get wet. Each wire goes into a neat little well that will catch and hold moisture. Not something I'd recommend unless there was a really compelling reason.
 

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Just a heads up. If you are using RTV to seal electrical connections, or around electrical connections at all, please educate yourself and use an electronics compatible RTV. Here's why. Acetoxy silicone releases acidic acid when it meets the moisture in the air. This is indicated by that vinegar like smell that new silicone has. This will eventually corrode the conductors and make repair extremely difficult. Electronics silicone is a neutral cure silicone that is not acidic. Acetoxy silicones are generally more cost effective, faster curing and are generally the household type. Automotive types can be either, but if it smells at all of vinegar, that's the sign. Use the wrong type and you've put your electronics on a life clock. Sooner or later it will destroy your ECU, or at the very least the connector on the harness.


Dielectric grease is always good on electrical connections that might ever see moisture or corrosion.
 

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Discussion Starter #7
All great advice... I decided that a 20 yr old wiring harness at the plug may get a tad cranky if made to move residences introducing a new 90 degree bend so I left well enuff alone If you look hard enuff a place will open up I cleaned up around the solenoid at it gave me the space I needed
 
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