Dana Cruise Control Manual
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Cruise control (John De Armond) From: Subject: Date: Tue, 14 Mar 2000 05:59:14 EST Newsgroups: rec.outdoors.rv-travel I recently installed a new cruise control on my motorhome. This is a mini-review of the installation and the product.
Aug 7, 2004 - I've got a 88 fj62 that's got a cruise control and I believe that they are. I think I might have a manual for a Dana CC someplace my 88 fj62 had. PdfShare Dana Corp Cruise Control Manual Dana Corp Cruise Control Manual - Are you looking for Ebook Dana Corp Cruise Control Manual PDF? We have 257 manuals and Ebooks more or less Dana Corp Cruise Control Manual.
My MH, a 1982 Itasca 22 ft Class C, came with a factory-installed Dana cruise control. It did not work well because the relatively small engine does not produce enough vacuum to operate the cruise control's vacuum servo, even with a vacuum reservoir. A few years ago, Dana spun off their cruise control business to a new company called Rostra. Rostra makes a wide variety of cruise controls that are OEMed to other vendors, ranging from many motor home manufacturers to J.C. Whitney and Penney's. They make both vacuum-operated units for gas engines and electrically operated units for diesels and applications where there is insufficient engine vacuum. I chose the UltraCruise II which is an electrically operated unit.
I bought it from a hotrod supply store. Cost was about $200. The unit consists of a servo box containing an electric motor-operated throttle actuator and a microprocessor board, a vehicle speed sensor for the brand of vehicle you specify at the time of order, a turn signal or dash panel mounted control head and a bag full of misc hardware. Installation consists of attaching the actuating cable to the throttle linkage, mounting the servo box somewhere convenient, setting some switches in the servo for the application at hand, installing the speed sensor on the speedometer drive (if needed) mounting the control head and providing power to the unit. The cruise has several inputs. For a gas engine, the inputs are vehicle speed, tachometer, brake actuation and ignition switch power.
For diesel applications, the inputs are vehicle speed, brake actuation and if there is a manual transmission, clutch petal actuation. The latter is necessary to kick the cruise off if you press the clutch. Otherwise the engine might be over-revved as the cruise tries to maintain speed. There are 3 major options for vehicle speed:. The Vehicle Speed Sensor (VSS) that attaches to the speedometer cable on vehicles with mechanical speedometers.
The VSS signal from the chassis control module for vehicles with electronic speedometers and/or electronic transmissions. Magnets attached to the drive shaft. This is for vehicles for which there is no VSS. This is the older, more traditional method used for aftermarket cruise control systems. It is reliable if the magnets are properly attached to the drive shaft. The UltraCruise II can use any of the above three methods and is selected via a configuration switch.
A 'Technical data' booklet comes with the system that lists where on each late model vehicle the VSS signal may be tapped. My motorhome uses a mechanical speedometer so I ordered a VSS for a chevy automatic transmission.
Installation involved nothing more than unscrewing the speedo cable from the transmission, screwing the VSS sensor to the transmission and attaching the speedo cable to the VSS sensor. The wire from the VSS sensor is routed up the fire wall to the servo module. The tachometer signal is taken either a) from an HEI ignition TACH terminal, b) a specified lead on the Ford electronic ignition, c) specified pins on the chassis control module for late model vehicles or d) a coil terminal for all other types of vehicles. On my vehicle, I had only to slip a connector onto the HEI's 'TACH' terminal. A tach signal isn't strictly necessary but one loses some engine protection without it. Diesels obviously don't have an electronic ignition signal to grab a tach signal from. Even the electronic diesel engines may not have a convenient tach signal.
This unit is designed to work without a tach signal. If a tach signal is present, the microprocessor compares the tach and vehicle speed signal and trips the cruise if there is too much deviation. With an automatic, such deviation would mean that the transmission had been put in neutral or the gear has been changed. For a manual transmission, that would mean the transmission had been put in neutral or the clutch is slipping. A 'manual/auto' configuration switch sets up how much differential is tolerated. Almost none for 'manual', enough to allow for torque converter slippage in 'auto'. If this function isn't present, one could put the transmission in neutral without the cruise control knowing it.
Seeing the vehicle slowing, it would yank the throttle open, trying to regain speed. The engine, of course, would be quite unhappy with this. With this feature, it sees the vehicle slowing while the engine speed is increasing and so trips the cruise. A 'diesel/gas' configuration switch defeats this function for diesels and other engines that might not have a convenient tach signal.
It takes some care to protect the engine under these conditions. Rostra recommends putting a switch on the clutch pedal.
It also suggests hooking to the neutral switch on auto transmissions. Protection of a manual transmission isn't conveniently possible unless the transmission has a neutral switch. Other configuration switches include 'gain' to control how tightly the speed is controlled, 'centering' which controls how much initial throttle is introduced when the unit is actuated, and how fast, and a diagnostic mode which will allow one to check all sensors without test equipment.
For my rig, I set the gain to 'high' and the centering to 'fast'. More on that later. The unit requires two sources of power, battery and switched 12 volts. The battery voltage holds up the CPU's memory - the unit appears to learn the vehicle's dynamics. The switched 12 volts turns the unit 'on'. I grabbed both signals from my MH's chassis fuse panel. Installing the throttle cable was trivial since my MH already had a cruise control.
Installation involved little more than removing the old throttle cable and hooking up the new one. The kit comes with a large selection of brackets and do-whitchets necessary to hook up to various types of throttles.
Dana Corp Cruise Control Manual
My experience in installing the Rostra on other vehicles is that the kit is complete. Installation of the control head was simple since the previous installation used the same head. I simply used the old one. It mounted on a shortened Chevy turn signal. A wide variety of OEM-type stalks are available. If all else fails, a universal dash mounted module is available. After I got all the wires hooked up, the throttle connected and the servo mounted, there was little else to do other than to check the configuration switches.
The book has a nice worksheet for figuring out the switch positions but I didn't really need it. I static tested the unit by hooking a pulse generator up to the VSS input to simulate a moving vehicle and then activated the system. The servo yanked the throttle open and then tracked my changes in the pulse generator frequency. I verified that the various inputs worked. Lacking test equipment, the servo may be put in test mode. An LED will flash when a VSS pulse is received and when the various inputs are actuated.
In reality, I could have just done a drive test, the installation was so simple. Operation Operation involves simply bringing the vehicle to the desired speed and pushing the 'set' button. It grabs the throttle immediately, though not as fast as the vacuum version. Speed control is excellent. They appear to have implemented a full PID controller. With such control, it not only does whatever is possible to maintain the set speed, it anticipates load changes through derivative action.
When the base of a hill is reached and the very first bit of incline is encountered, one can feel the throttle yanked very early and more than one would anticipate. Similarly, when cresting a hill, the throttle is closed before the peak is reached. The brake signal is taken from the brake light switch on the brake pedal. This signal trips the cruise control off when the brake pedal is pressed.
A configuration switch on the servo head controls whether this lead causes a trip on the presence or absence of voltage. My brake system switches 12 volts to the brake lights so I selected trip on the presence of voltage. With the gain set to 'high', the control was a bit abrupt. The throttle would slam shut at the top of a hill.
The speed wouldn't over or undershoot by any significant amount but the sudden change in acceleration was uncomfortable. I set the gain to 'medium' and all was swell. Speed control is still within a MPH until the throttle is yanked wide open but the harshness is gone. I noticed that the control improved after the cruse had been operated for awhile. That indicated that the CPU was self-tuning itself to my vehicle's dynamics. I tested this by pulling the 'battery' fuse, clearing its memory.
Sure enough, the control degraded to the as-installed state but quickly improved again. All in all, this is an impressive package. It controls better than any OEM cruise I've ever used. The servo stroke and strength is enough to operate almost any sort of throttle.
Dana Corp Cruise Control Manual A2608
The installation is easy - took me about an hour, most of which involved dismantling the engine cover and removing the old system. System has a 3 year/36000 mile warranty.
I've had it for about 6 weeks now and have been on 6 trips. Very pleased with the performance.
Highly recommended. John PS: I originally ordered this unit from JC whitney - back in November.
They backordered this 'custom' system. They dutifully sent me postcards telling me the system wasn't ready. Until I canceled in Feb and ordered elsewhere from a vendor who had it on the shelf. Autozone sometimes has this system, though they don't carry the myriad of turn signal stalks. This is a special order item for them.