Saturday, June 8, 2013

Wiring continues, thoughts on a/c work, rivnuts


Since my last update I continue work on the final form of the dash, and fitting all of the components behind it.  What you finally see is the easy part.  The wiring, ducting, and connections behind the face are the frustrating part. 

I chose to wire my dash so all items can be easily removed in the future instead of permanently connecting wiring harnesses before installing the dash.  Perhaps if I was more confident in my ability to produce the correct connection on the first try I wouldn't go with easily disconnected wire looms.  I broke down and finally bought a decent spring loaded wire stripper.  Should have done so years ago.  I varied the kind of connector I used based on what kind of thing I was wiring.  I used blade-style and male/female insert-style connectors so I can't incorrectly connect the wires.  This took a lot more time but in the end should help when I need to disconnect something after the dash is installed, if for instance I need to change a burned out light bulb.  As I also added a clock, and the Vintage Air slider knob panel has built in lights I needed to wire those into the Ron Frances loom (which come wired for five small and two large gauges).  The picture above shows the five main gauges for monitoring engine performance. 

I also installed the battery cut out switch and will install a separate 40 or 50 amp circuit breaker.  I avoided doing so for a while but it just makes sense now.  Too much work done to fry it all if I did something incorrectly.  The CB should help avoid that.

The Vintage Air A/C system instructions are confusing at best.  FFR provides two sets of VA specific instructions and their own FFR set which really just tells you how to install the brackets for the Sandon Compressor.  I had The Engine Factory do that so much of what FFR provided doesn't do me much good.  Even though the slider panel for controlling the system indicates it will control the A/C, it doesn't.  I must also install the old-fashioned A/C knob somewhere close to the evaporator.  The instructions also call for a vacuum line to the heater regulator valve but my valve is only cable operated.  The VA system discusses the importance of an optional trinary safety switch (to shut off the Sandon compressor if the system pressure is too high/low or turn on the engine fan if the system is too hot) but did not include any fitting into which the switch goes to sense temp and pressure [late addition, after much webpage viewing I figured out the switch is screwed into the dryer cannister - NOWHERE do any instructions mention this].  Plus the wiring diagrams show the switch having one black wire with a green stripe, one black wire, and two blue wires.  My switch has two black wires with no green stripe and two blue.  Kind of critical as one senses temp, the other pressure.  Most builders recommend using another manufacturer for A/C as the VA one is difficult.  I see why and wish I had done more research before charging ahead.  Final comment is the "complete kit" comes with insufficient amounts of ducting and vents for the kit.  I can't recommend the other kit most people use as I didn't buy it but I would strongly recommend checking out both before buying either.  Once I solve the wiring and plumbing problems I will post what I did.  I spent a lot of time scouring the internet looking for solutions. 

For now I moved on to rough fitting the trunk AL panels, and once again chickening out on doing final install for cockpit AL panels.  I did some more work on making the dash look pretty with the center console control panel removable front plate.  The Rivnuts work great and look good.  Picture here is work in progress - idea stolen from cbergquist1 flickr page.



One final planning piece is I decided to paint the inside (unseen) part of the dash panels appliance white.  Should help me see stuff behind the dash when the inevitable happens and I need to figure out why something isn't working.  I figure the white should provide a good background and additional visible light to see what I did wrong, or what part failed.


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