dickandlois

Mark, Have a safe trip and enjoy the view. The coaches are beyond the days of the Model T. So it takes more then a screw driver, pliers and some baling wire to keep them running !! Thing I try to remember is, if an issue has not happen to me yet. It's not been my turn !!! Rich.

Thanks John, Forgot to ask, when the new board was installed; where the jumpers wires / connections set up- configured like the defective one? Did you get an Owners Manual for the EMS system with the Coach? There are 3 models of the system. The 700 series, 800 series, and 900 series. They are all about the same with some programing setup's being different. One thing I need to check into. I kind of remember reading something related to the Winnebago EMS ? Rich.

John, the different numbers, generally mean there has been an update or change to the circuit(s) on the board. Could you post the Make, Model and Year of your coach? Rich. You could contact,Intellitec Dealer / Supplier Mastertech Inc, Marshall, Michigan 800-848-0558

Mark, No change with the new VDC? The fact that they could get some of the display working, kind of makes it look like a DATA link issue from the ECM. So without that information. Thinking your fuel gauge, Voltage and temperature gauges are missing. Also, missing the Buzzer and Chime alarms. The item listed above are digital signals. Do you have Turn signal lights and High beam light? Do you have. Wait to start, Stop engine, Check engine, Park Brake. There are other Active Low data signals that go through the VDC. Like primary and secondary pressure gauges? Those signals / information is not part of the data link in the information I have. Rich.

Gene, Welcome to the Forum! The suspensions of coaches designed with air suspension are designed to maintain a specified ride height and travel range. Changing the ride height can cause a number of issues, including drive shaft wear do to angle changes, the handling characteristics, stability and load range and wheel alignment. Plus other factors. Think you could have all the air springs checked for dry rot, as they are about 12 years old. That could have an affect on how the coach rides. That would be a good question to ask the coach builder. Rich.

Mark, Thanks for the progress report! You make a good point about being unable to read the air pressure(s) when the Digital Instrument clusters fail. One could tap into the air lines and connect direct reading air gauges. Might not look pretty, but with air gauges and a Scan Gauge one could keep moving until the needed items are on hand for repairs. When one is on vacation or full-timing a broken house on wheels is a bummer!!!! Wounder if the A/D Coach builders need to rethink the air pressure monitoring method. With an alternative engine / transmission monitoring system and direct reading air gauges, one could still use the coach. The engines, transmission and chassis equipment can fail, but the number of failures are small with good maintenance. The digital dash panels / displays fail with out any warning in most cases and there is no redundancy built into the systems. Rich.

lowellbergen, Does the system use hydraulics to move it in and out? Rich.

cmarq, Herman has a good point. ABS systems need the proper equipment to flush the Break systems completely, this gets all the air out of the ABS loop. Thinking you might have a bad flex line(hose) between the Caliper and the steel break line ? If the Caliper pins are free. Any indication of issues regarding the Left Rear Caliper? Equalizer Block brake line feeds both rear calipers. Only time the ABS comes into play is when the wheel sensor indicates a wheel is not turning. Rust can build up on the caliper, that moves the pickup coils for the ABS away from the sender in the bearings, giving the system a weak signal. That can activate the system even when everything else is fine. The ABS valve body controlling the right Rear? Fedex and UPS Step vans are often on W20 / W22 workhorse chassis. They really use the brakes hard. Do you know who services them in your area? Rich.

Mark, When you mention a Module, are they talking about the VDC(vehicle data computer). It is an interface between the ECM and the Instrument cluster. The VDC is shock mounted on rubber feet. One in each corner. Have they informed you of what is missing ? Power, Data link issue, J-1587 Data Link from the ECM to the VDC, The 339D link between the VDC and the MC. The Engine runs fine, so the ECM should be OK, is there data out to the VDC?, can they read the data coming from the ECM at the test port? Could you use a Scan Gage system or VSMpc software to have all the information displayed, one needs. If they can not get items needed to repair you display. Could you ask what type of system is used for your coach display. Medallion ll VDC/MC or what ?

kaelalynn, The fact that you did not mention getting a shock, tells me that you where not connected to shore power or had the generator running! You mentioned removing the commons from 5 - 120 volt outlets and the common and the ground wires go the the same point (Ground) OK, With the power disconnected and the generator off, remover the circuit breaker box cover(if you feel comfortable with that) Remove the Black wire from the circuit breaker that is tripping. You do understand that the Black wire is the Hot and the White is neutral? By chance if you removed the black wires from the outlets and the breaker still trips, good chance it has failed. Should the breaker - not trip when turned on, with power applied. Then you can connect the outlets one at a time to see if you can isolate the problem down to a smaller area. Please work safe and if you need, get some additional help. A little money can save you from having a real bad day!! Rich. Is there a GFI outlet in the circuit your having issues with?

I just went to school again, I think ? Has anyone run into this and if so that would explain the low power issues posted by Chuck in his thread No acceleration from dead stop and it might also cause the ISL and ISC engines with the CAPS fuel injector system to shut down after a few seconds posted by jleamont. Although he replaced the fuel supply and return lines and that appears to have solved the problem. Cummins ISL, Runs For 30 Sec Then Stalls Leads me to think that not only do you need to consider the lift pump, but also the injector pump on the ISC and ISL engines built from 1998 to 2003 and the 2003 ISB engine. NOTE! The lift pumps on these engines only run for a minute or so at start up, then they go into bypass and a gear pump on the injection pump sucks the fuel needed. Rich.

Good morning Jim, Could you post the control module and thermostat model numbers. Check the IP data cable running between the too. Looks like a phone cable. Your problem does not sound like the thermostat control is an issue, but one cannot rule them out. Fan motors do not use starter caps. EDIT>I lied ! There is one, located on another area of the drawing. Did need that cup of coffee !!! DC present on the main control board or you would not have the rear fan. So take a look at the connections on the control module. you need to get 12 volts up to the relays in the AC units to get them to run. Also, check to make sure that the 120 volt AC breakers did not get tripped. Got to check some information on the wiring. It's not good for me to start posting before the AM Coffee. !!! Rich.

tcarlsonjr, Welcome to the FMCA Forum! First, a question. Does the Coach have separate break and turn signals lights? Like red lights for the breaks and yellow lights for the turn signals and 4 ways? Then what is the set up for your dolly? is it the same or is it wired with red break lights, that also serve as turn signals and the 4 ways? Need to determine if the is a wiring, fuse or relay issue(s) Thinking the dolly you have did not come with the coach? Rich.

Mark, The cluster has some electrostatic parts that can be damaged do to static electricity. They are an item that requires some understanding of how to remove, test and install the new units. The cluster is supplied with the chassis when it is shipped to the coach maker. ACTIA supplies a number of the Dash instrument panels for the industry. Your problem is or could be quite technical and many of the RV service centers do not have skilled chassis service employees. The local RV service center farms out most of the electrical, transmission and engine work to a certified chassis service center for the specific chassis. Rich.

Mark, With the the ignition switch turned on (engine not running) the instrument panel should be active. The fact the the engine started, indicates that the 30 amp engine fuse is good. You posted that the cluster fuses where both good. That could indicate a defective ground or a Defective Display. The MC has a built in Diagnostic Function that indicates whether or not the MC is receiving DATA from the Vehicle Data Computer(VDC) If the data is not received from the VDC for more then 45 seconds, the Icon lights will "Dance" or initiate a chase pattern. With out an indication of the test program, could indicate a defective panel? Freightliner might ask you if the above test was run! Rich.

Don, Check the Xanrtex service center index, There is a repair center in N.C. run by an X Navy / ET. Might not be the weekend to travel there with the big blow arriving! Good man and he replaced the main logic board in my 458. Still working better then ever. That might be due to the changes in the software on the new board. Rich.

Good information regarding the Quill Tubes! Hope it's OK if I add it to my information. Rich.

jleamont, Good question! In all the reading I have done, I have not seen any information listing the years or serial numbers relative to the problem. Makes me think that there are remaining issues, because the C and L series engines up to 2003 still suffer problems in the same areas. Rich.

Kevin, How old are the batteries? The remote sensor monitors the charging circuit for the coach / house batteries. Check the water levels in the batteries, bring them up to the proper levels if they are low on water(Distilled water only). Let them charge with a minimum load, check the voltage with a meter after an hr. or so. Note, the charging level LED's should go from Red to Yellow and then Green once the battery voltage reaches the float voltage of 14 to 14.5 volts. on the remote panel. Then disconnect the charger AC voltage and let the batteries set for an hr. or two, take another voltage reading. Post the results for the group. Rich.

Newellan, Welcome to the FMCA forum! Temperature mentioned by DD and were you running the Roof AC units? The generators do have a thermal protection system. Sometimes you need to reduce the load when it gets hot outside. Turn off one AC and running the refrigerator on LP can reduce the load enough to keep them running. Rich.

Jack, No! Your year engine is equipped with a HPCR(High Pressure Common Rail)system that is controlled by the ECM. The electrical coils in the injectors are pulsed from the ECM. Rich.

Beginning in 1998, Cummins introduced the ISC based off the earlier mechanical 8.3 C-series engine. The original ISC engine featured a Cummins Accumulator Pump System (CAPS). This CAPS pump was a computer controlled injection pump,with individual fuel lines to each injector. In 2003 the HPCR system was introduced. Cummins Accumulator Pump System (CAPS) fuel injection pump for Cummins 6 cylinder C series engines where used in heavy duty on-road, agricultural applications and many Motor-home applications. Cummins ISC 8.3 300 Hp Warm engine rough Idle Some time ago Cummins issued a service bulletin to change the wiring from the old connector and lead that goes to the fuel pressure sensor to a new connector and lead - an upgrade kit was issued for this which included a new connector, three crimp connectors and an instruction sheet. A lot of time the connectors which are supposed to be sealed upon crimping, fail and the ECM sees the fuel pressure vary during idle hence rough idle and sometimes no starts. The solution is twofold, one is to clean and inspect every connector (including the big one near the lift pump) and degrease/grease them with the right dielectric grease made for Packard connectors (a lot of techs fail to get that part). The second is if the upgrade was done, have the tech properly splice (re-solder) the connection and use the correct method to seal the splice. Also, check the Transient Suppressor. A bad one can damage the injector pump, and if you change the injector pump with out replacing the suppressor; will void the warranty. Not always the problem, but worth a try! Replacing the injectors will not solve a bad injector pump problem. One brand new injector bad? As the engine warmed up the O-ring on the injector expanded out of spec. and was failing. To be sure that was the problem, moved the injector to different cylinders to see if the problem followed and it did, but the injector pump proved to be defective also! A relatively new injector pump about 6 months old and exchanged under warranty. Internal seal-diaphragm can fail and fuel will pass into the oil, making oil! Not good! Fuel Pressure Specs ISC Series (Minimum) Low Fuel flow / Pressure can damage the internal electronics. The excess fuel is used to cool the circuits and then returned to the fuel tank. HPCR CAPS Lift Pump 5 psi Cranking 5 psi Minimum Gear Pump 10 psi Cranking 10 psi Cranking 70 psi @ rated speed Rich.

There is an ajustment for the size of the ice cubes on some models and makes. Not all ice makers use the same setup. Could you post the make and model of your refrigerator / Ice maker for the group? Rich.

There could be a conflict in some States and Providences according to this website: http://www.brakebuddy.com/Towing-Laws Somebody is wrong! Rich.

Hi Bill, Welcome to the FMCA forum! With the Canadian laws regarding that all the axles require brakes if on the road makes for some interesting issues. From what I have regarding the Chevy Volt (Not sure about the Prius) the front brakes are regenerative and the car needs to be towed on a dolly. They use a vacuum assist hydraulic braking system on the rear, that would need to be active to ensure maximum breaking. You might find this link interesting and in part written by a gentleman from Ontario. Regarding the brake light activation on a regenerative breaking system(s). http://evworld.com/blogs.cfm?authorID=61 Rich.