So, today I installed my Yellow Box (speedo calibrator) and DRL wiring harnesses which are supposed to make my LED bulbs work. I ended up disconnecting the battery in order to wire the positive feed for the DRL harnesses. When I went out to take a test drive to make sure that the Yellow Box was working correctly (it was) I discovered that the truck had suddenly learned a new trick where it takes a pronounced pause between shifting out of one gear and into the next while accelerating. This is even more pronounced while accelerating under heavy throttle. I've been scouring and searching the site for over an hour trying to find someone who's experienced this before but I've come up empty. The best I could find seems to be that maybe I need to do an idle learn procedure so I'm doing that right now. Hopefully this fixes it. If not then I suppose my next step will be to disconnect the Yellow Box and see if that is the actual cause. I'll report back with my findings. 10 min. of idling is up and I'm off to do the driving procedure.
coolcat
Update: It's the Yellow Box.
I did the idle learn procedure and the CKP learn procedure and it didn't help. So, next step was to eliminate the Yellow Box and see if that helped. Immediately everything was back to normal. I did a couple of WOT runs up to 75 just to be sure. Then I pulled over and plugged the Yellow Box back in and there was the hesitation on upshifting again.
I'll be contacting Yellow Box to see if they've run into this before and if they have any idea why the box is causing this. Hopefully there is a remedy. If not then I guess I'm just forever cursed with an incorrect speedo.
I did the idle learn procedure and the CKP learn procedure and it didn't help. So, next step was to eliminate the Yellow Box and see if that helped. Immediately everything was back to normal. I did a couple of WOT runs up to 75 just to be sure. Then I pulled over and plugged the Yellow Box back in and there was the hesitation on upshifting again.
I'll be contacting Yellow Box to see if they've run into this before and if they have any idea why the box is causing this. Hopefully there is a remedy. If not then I guess I'm just forever cursed with an incorrect speedo.
Sorry, didn't think that through before posting. I should have thought of that. Because I r an different size tires on my VW Bugs and had to mentally calculate speed when around cops. But thst wad many years ago and I forgot. It stinks when u you get old.?
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All I ever got out of them was they thought that maybe I should make small changes incrementally instead of dialing in the full correction all at once. I haven’t tried that, I’ve just gone back to my incorrect speedo.
One interesting and related side story. Yellow Box includes a jumper plug so that you can remove the box and go back to factory without actually removing their wiring harness. That’s how I’d been running since removing the box up until a few months ago. Suddenly the truck was behaving very odd, the speedo would drop to zero and the engine would surge. It began intermittently but slowly got worse. I remembered that I had the wiring harness in there still so I removed it and that problem went away. Unfortunately, I can not recommend the Yellow Box for use on the Ridgeline as of now. If I ever get it working and get the wiring harness fixed maybe I’ll change my mind.
One interesting and related side story. Yellow Box includes a jumper plug so that you can remove the box and go back to factory without actually removing their wiring harness. That’s how I’d been running since removing the box up until a few months ago. Suddenly the truck was behaving very odd, the speedo would drop to zero and the engine would surge. It began intermittently but slowly got worse. I remembered that I had the wiring harness in there still so I removed it and that problem went away. Unfortunately, I can not recommend the Yellow Box for use on the Ridgeline as of now. If I ever get it working and get the wiring harness fixed maybe I’ll change my mind.
Ok thanks for the update, I guess I'll pass on the yellow box for now, it sounds like it might be possible to at least get the speedo to read accurately if you put it after the ecm but I can live with the speedo being a bit off for now. Maybe come back and try out a yellow box after I have all the other stuff I want to get first.
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