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Old 06-14-2021, 03:27 PM   #30
pjmoreland
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Join Date: Jan 2005
Location: CA
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Re: 700R4 TCC Wiring

Quote:
Originally Posted by tdangle View Post
Can you adjust your vac switch to a lower setting, say only below 5 inches the TQ unlocks? This might help prevent the cycling going up a hill. Monitor your vacuum with a gauge while driving to see what the actual conditions are might shed some light on it.
I did try that, and it quit cycling on mild hills. Instead, the cycling then started happening on more aggressive hills at higher speeds. I think there will always be a scenario where it cycles if there is no hysteresis in the switch. I will be testing the dual switch setup in the next day or two. This will give me adjustable hysteresis.
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