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Old 04-29-2016, 11:11 AM   #15
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Originally Posted by mayco View Post
Hmmmmmm, well one more thing I didnt know. Ive a pretty significant lag time between pushing the set button and engagement. That control box on the firewall kinda scares me to me mess with. Is that where the adjustments are made? Inside the black box? Ill see if I can find a manual for it. I would say that I have a good 5 seconds or more before it kicks in. Thanks for the info Brad, other than that it works real well.
5 seconds or more is WAY to much lag time. Find the part number of the servo or the manual and I'll see if I can't help with the tuning settings.
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Old 05-01-2016, 10:50 AM   #16
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Finally got a break in the rain so Ill try to find the model number today. Found two numbers on a label on the side of the control box but they dont correspond to any model numbers Ive seen.
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Old 05-03-2016, 01:56 PM   #17
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Mike, the current owner of my old 310 was kind enough to jot down the dips switch settings from the Rostra cruise control module.

These settings are applicable for a Rostra 250-1223 servo module installed in a 1984 310 454 powered motorhome using an 8000 pulse/mile signal.

310-rostra-cruise-control-settings.PDF

If you have any questions on any of the settings let me know and I'll try to answer them.

Brad
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Old 05-03-2016, 02:28 PM   #18
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Thanks so much Brad. Ill see what I can do. Ive read what I could find on troubleshooting but havent attempted anything yet. Might be as simple as shortening the chain linkage but Ill read what youve provided. I need to open up the control box first to see if I can find the correct model number. Thanks again!

Mike
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Old 05-03-2016, 02:34 PM   #19
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Good luck
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Old 05-04-2016, 11:11 AM   #20
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Talked to Rostra tech support this morning looking for help to identify my model number. The best they could do was to have me send pictures of the unit to them........pictures sent. Waiting for reply. Nothing is easy is it.
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Old 05-04-2016, 11:16 AM   #21
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Mike, post a picture here. I'd like to see what it looks like.
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Old 05-04-2016, 11:52 AM   #22
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Kinda tight but here ya go Brad

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I was able to find some info yesterday on troubleshooting slow engagement issues related to the settings.

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Old 05-04-2016, 11:54 AM   #23
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http://www.rostra.com/support/
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Old 05-04-2016, 12:02 PM   #24
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Man, they got right back to me, impressed. They sent me a pdf copy of the instuctions. Not sure how to copy and paste it here. Ill keep trying.

Mike
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Old 05-04-2016, 12:42 PM   #25
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Physically your's looks to be the same as the one's that I've used.

You should be able to post the instructions to this thread even if it's a pdf file.
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Old 05-04-2016, 12:55 PM   #26
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Heck....if it was easy, everyone would do it. Working on these old motor homes isn't right....if you were an inchworm working underneath would be easy. Tell me you haven't bent your body into various shapes just to get access to interior items and then forgot a tool. Ahh.....
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Old 05-04-2016, 01:10 PM   #27
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There are definitely times I wished I was double jointed
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Old 05-04-2016, 06:40 PM   #28
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I cant seem to get the whole pdf to copy and paste on my ipad but here are the 3 pages that address my slow engagement when setting the cruise control. Looks to me I need to check my current settings on "gain" and "engine set-up".

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Ill have a look tomorrow how they are currently set. There is a note on one of those pages that says that these settings assume 1/8" slack in the throttle cable. My bead chain has a great deal more slack than that.

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