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Sorry guys that I didn't respond. However just wanted to let you know that I fixed it myself. It turned out to be a vacuum leak or...

I'll study it again tomorrow with fresh eyes, but it looks to me like the pin-out is not the same as a 555.

So using the factory service manual, I only see 1 SCI connection to the ORC, and no CAN bus. It goes to the warning light at the...

Bill, Here's a picture of the PCB. I do see a lot of 555 chips, but they seem like RTC timers. The defog timer is probably a decrement...

Pins 6 & 14 on the DLC on this vehicle are not populated, so testing there won't work, MT

I doubt your scan tool is setup for your transitional model. It should code? I have diagrams and service lit if you need it. Most quad 4...

Years ago I had an astro that had a broken wire in the harness at the rear hatch, the rubber cover looked good but when pulled back...

The LM555 timer IC is not only an 8-pin DIP like that, but I think it is the most produced IC of all time and vast number of designs...

Rear Defogger no longer works, press the button, relay clicks, but doesn't stay on. Fuses on that circuit are good. I understand this...

I use this tool to test injector wires. With engine running (or cranking), one of the two injector wires should show steady light when...

I think Autel has been changing the playing field for a lot of the scantool world.

OK, looks like I'll get the OTC fluid.

WOW nice!!!

Where are you checking voltage/current for the #3 injector pulse? If you are doing that at the injector, then there is more checking...

Thank you for all of this feeback, Nickb2. No worries; no way you sound condescending; I'll be first to admit that I'm mostly clueless...