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Circling back as I just wrapped this up. My air compressor was having some issues and wasn't very consistent, so I had to do some repair work on that. After getting that fixed, spraying a few more test shots it looked a lot better. Ended up taping up the underside of the car and plugged the frame rail fuel hose pass-through with a piece of fuel hose with some tape wrapped around it to block the holes. Ended up spraying 3 coats, waiting about 10 minutes between each coat and I'm very happy with the results. It ended up being quite close compared to what was there.

For me at least, this has been an extremely common problem. On BOTH my personal car and many - if not all - the Z's that came through the shop and throughout the Z community here in Phoenix. Yes, there may be too much amperage going though those contacts as resistance builds up in the wire and connectors BUT: What I have found in every turn signal switch I've repaired (and that has been MANY) is - The original chrome plating on the solid contacts (non-moving) has worn off due to repeated electric arcing across the contact. When you clean the carbon off it leaves a nice brass contact surface that fouls MUCH more quickly. Therefore, depending on your use, you get another 6 months to a year or so before you have to repeat the contact cleaning process. Then your flashers work well enough for a time and have to be taken apart again. (and, you can only un-bend and re-bend those metal tabs that hold the switch together a certain number of times...) My flasher switch (which I have absolutely no idea if it was original to the car) worked well for a few years before I had to take it apart and clean the carbon fouled contacts. Then it became a 6-9 month cycle. I finally got tired of that and bought a different turn signal switch assembly off the internet. I was delighted that it worked well and lasted for quite a few years. I'll remind everyone that I daily drive my 260Z so my T/S get a fair amount of use. (I got this Z running and back on the road Spring of 2009) DROPPING THE AMPERAGE going through the switch will definitely help the contacts to last longer (foul less). But I don't think it's necessarily the ultimate answer. In my case, that didn't last forever either, and I am done with taking the stock switches apart and cleaning, and cleaning, and cleaning the contacts. SO, I followed another dudes post somewhere and replaced the stock switch with a standard metal 3-position rocker switch mounted such that the arm of the rocker is operated by the stock turn signal arm mechanics. Did it about a year and a half ago and I've been very satisfied with the operation. I can buy another one practically anywhere if I ever need to replace it. Under the clam shell you'd never know it was swapped looking at it. That was my solution. I will say too that MY 260Z IS HEAVILY MODIFIED and is not trying to be original in it's representation at all. In fact lately I have replaced my entire engine bay harness and replaced all the stock wiring connectors with Deutsch connectors. As well as a new engine harness built for a different ECU and sheathed with Raychem. The SECOND thing I will mention: IF you remove the actual switch from the turn signal assembly and push it's little "nubin" that sticks out from side-to-side you'll notice that it goes full motion and insures that the rocker piece(s - if you have a 240) inside will spring solidly onto the fixed contacts EVERY SINGLE time. Now screw it back onto the assembly and watch it's movement. Even when the assembly parts are NEW, they won't move the switch fully from side-to-side! That sliding piece of plastic with the hole moves enough generally to cause the rocker to fall one way or another, but NOT full motion. As that piece of plastic wears against the metal it makes that action more and more sloppy. It affects the action one direction MORE than the other. SO, your LEFT SIDE SIGNAL going away is common. Usually it won't just disappear - it'll become "finicky" and works sporadically usually requiring you to move the T/S lever again or wiggle it to get it engaged (and the V-shaped bar to teeter all the way to one side). I may have pictures of the turn signal switch disassembled but I'm sure they can be found on the interweb. I tried a few things to combat that problem as well, but in the end moving to a new toggle switch solved both problems.

It's a bit spotty... You may have to try it after a page refresh. I need to run some upgrades soon and I'll let you know if it's more reliable ...

Charles, here are some pics of the belt molding and squeegee rubber on my car. Hope this helps with your question and yes, the rubber does trim out inside the window frame.

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I think that's Al Allen, aka URGELIS.

Thanks Guy, but I am disinclined to follow someone else's work in this case. In his ebay post I noted that he "modified" plastic connectors and the metal base. With all of the switches I have refurbed I have not yet found a need to modify the OE components - sometimes replaced with new or from the parts bin but never modified.

I'm older than that and I still work properly! Sometimes...Sort of...;)

I found that the two ends were different sizes... The tank end is very close to 3/8, but the fuel pump inlet is larger than that. Maybe even 5/8 or so? I bought some 7/16 fuel line and some 3/8 and I made a couple adapters to change sizes, but in the end, I changed my mind and didn't do it that way. Just as was suggested earlier, I found some 3/8 hose that was large enough to stretch over the fuel pump inlet even though it's not the "right" size. Interestingly though, when I started messing with mine, my PO had done the same thing, but HIS 3/8 tubing was obviously overtaxed by the process and had started to lose integrity because it was stretched beyond it's limits. Point is... Not all 3/8 fuel tubing is the same and you may have to shop around a little to find a manufacturer that works on both ends of this application.