Toyed with the truck a bit more today and found a break in my high oil pressure switch and got continuity between the switch and the g2 connector for both high and low (light and buzzer only come on above 2500, not throwing any codes for oil pressure but do have a ect code, can post a list of codes if needed, also have continuity to gauge cluster wiring. Also have continuity from vss to fusebox and through to instrument cluster wiring yet no speedometer reading (good known working cluster), have a good ground on vss wiring also, found a busted wire in loom for coolant temp sensor, repaired, no change, tested for continuity to fuse box and into cluster all good, good ground on coolant temp.sensor, what are the two blue wired for on the 4 pin plug in? Don't have a 1996 1z Passat wiring diagram, have used 1z Jetta diagrams but they don't match up wire for wire on some things, I'm leaning towards sensor issues since all gauges worked with my previous dash before it blew up (most likely culprit is the grounds by the monotonic plug), is anybody aware of test procedures for vss and coolant temp sensor? I read through the Vince Waldon oil pressure walkthrough and grounded the high pressure switch and the warming buzzer and light still came on, also tried disconnecting low pressure and grounding high pressure with no success, wiring is good to instrument cluster wiring, possible ground issue? Don't believe the oil pressure switch is bad because the chime and light still come on after they are "bypassed". Mechanical gauge used to test oil pressure, all within spec (engine had 56k at time of transplant, drove 3k before cluster blew, and an estimated 3-4k with no working speedometer or gauges, at which time I installed pod gauges and phone speedometer!) Any help is appreciated, slowly been working g every kink out of the system and am quite stumped on this, although it's only day 3... Btw I got to take it for the first few test drives with the vnt and upgraded ic and am very impressed other than the annoying beeping constantly, the power is night and day difference with a much lower spooling and picks up quite nicely, pushed my foot to far in 3rd and spun the tires free, only did it in second with the gt15, that's the joy about super light vehicles