cpat_39

On early 2000 Monaco oil pressure sender was not a analog device. Strictly idiot light type sender. If it fails your gauge will show zero. If engine keeps running you have at least 15psi oil pressure. This was explained to me by Diesel Tech at West Sacramento Truck.

A friend with 2004-05 Windsor had similar issues. His fuel pickup in fuel tank had corroded and was too short to pick up fuel for engine. As I remember they had to pull tank out of coach to pull and replace fuel pickup. Pat C

The batteries are connected in Parallel. This has been checked by numerous tech's. I have also visually checked against other Diplomats of the same era. Our Diplomat is a 12vdc system not 24vdc. Will be having voltages verified as suggested in next few days. Thanks again for suggestions

The contactor in the picture I submitted was in the coach when I bought it in 2011 and served for 9 years. Please that the label says "cont" and when I search on that part number several sites point out it is continuous duty. Also trying to get answers confirming correct Denso starter for my ISC 315. So far neither of two eBay vendors have responded. Thank you for all the replies. Pat

Per Delco Remy and other sites nothing in their starter including that solenoid is rebuildable. The picture I posted is a contactor not a solenoid. Failing solenoid is one mounted on the starter. Thank you for comment that is not related to being plugged in.

Well aware that the starter has a solenoid built into it. And that is what has failed repeatedly. The contractor I show in picture I believe is actuated by the ignition switch to past thru the higher current needed to start the engine. The photo is the original device provided by Monaco in building the coach. New picture shows location where contractor was located by Monaco. Also now showing the Delco Remy 29MT starter used on my ISC. The failed starter solenoids the larger of two items mounted on top of starter. What I am looking for is what is causing the solenoid mounted to starter to repeatedly fail. Maybe the contractor was intermittently failing and now that it is replaced my issues are over. One can only hope. If you have never worked with or on a Diplomat they seem to be significantly different in wiring than Windsors and on up the model chain. Very basic, so what I really need is a Diplomat owner that may have encountered a similar issue. The contractor that ignition switch actuates has only been replaced once. That was the most recent starter failure. It is the same value and mounting as original White Rodgers part provided by Monaco. The Delco Remy starter has the actual starter solenoid built into it and is not a rebuildable item.

John, I agree they should be able to diagnose problem. All they want to do is get your started and on the road. Believe me I have talked and shown issue to many mechanics and RV owners. Thanks for reaching out. Pat

Here is picture of failed relay that found at truck repAir in Stockton. It was only found to be failed on last starter replacement. Contractor is 100 amp normally open. Trying to talk in detail with most RV and truck shops today is very difficult in NorCal. They are all short of techs and repair commitments are minimum of 3 weeks out. Coach is local RV shop with a potential return date of 6/9/21. I thought maybe one of forum members might have experienced similar issue.

All 4 starter solenoids have been tested by each mechanic as bad. Cummins factory also tested first solenoid and agreed it had failed. Not sure what continuous plug in since 1999 has to do with the issue. As discussed chassis batteries have always checked out at 12.4-12.5 First and fourth replacements were by professional truck shop mechanics. two and three were by professional mobile mechanics. I am just search for possible reasons for failures of the starter solenoids. Maybe not the Transfer/Switch or Inverter/Charger. Last mechanic check ignition switch at dash. Just tired of waiting for jump starts, mobile mechanics and in last chase a tow truck. Also tired of several hundred dollar expense each time. Pat

Our coach is 2000 Monaco Diplomat 36DS with ISC 315 Cummins. Basically stock with exception of new vinyl floor, LED headlights and taillights. Still has original transfer switch and Legacy inverter/charger. Both chassis and house batteries are about 2 years old. Chassis batteries test in 12.4-.5 range with load tester. Reason for submission is in last 18 months we have had to replace engine starter 4 times always with new units, not rebuilt. The only commonality I can determine is that we were always plugged into 30 or 50 amp pedestals. I do have a built-in Progressive unit between incoming power line and transfer switch. Between starter failures the rig maybe started not plugged into pedestal 5 or 6 times by storage facility staff to move the coach. Always starts. What has failed each time is the solenoid on starter. This last time truck shop found the White Rogers contractor closed. He did replace along with starter. Why do I leave plugged in? Always lower coach on air bags. Start engine to build up air pressure and raise coach to ride height This enables me to more easily load chairs, table, etc into bays. Maybe several hours before we leave so I have left rig plugged into shore power until ready to leave. Typically it will start to air up, but fails on second start to leave. Ok, so easy solution is to unplug when airing up and unplug when ready to leave. But I am curious as what could be issue causing failure of starter solenoid when plugged into pedestal? Power in house seems normal running microwave, maybe heater, water heater and TV. Do Transfer Switches and/or Inverter/Chargers randomly fail? I am not an engineer or technician. Have a fair grounding in lay electrical. Any suggestions welcome. Thank you. Pat 2000 Monaco Diplomat built at HR in IN 2014 Honda CRV

The info you provided was great. Interesting I ended up buying the fitting from a supplier - Motion Flow Control Products. Local store directed me to their Billings MT store. That store had 50 in stock. Apparently the only USA source at moment. Other suppliers were quoting June 21, 2021 before they were back in stock.

Ncsteve - Thanks for quick tip on part Landlubbber http://www.mscdirect.com

Looking for help identifying and removing this T fitting on air suspension lines. Appears to have been damaged when coach was recently towed. Coach is 2000 Diplomat RR8R chassis Thank you Pat C.

Steve I notice two paragraphs of disclaimers on the Amazon page you referenced that would keep me from buying these bulbs. I think the manufacture knows they are trouble. " [Note tip]: Size: 9mm*35mm, Please note that this bulb is a little larger than a traditional halogen bulb. Please refer to the second picture for details. This bulb ONLY used for 12 volts(AC12V and DC12V) lighting appliance.Non-dimmable, please don't use them with dimmer or unstable 12 volts, or the bulbs will flicker or make noise. [Technical Features]: Watts: 1.5W LED bulb Equivalent to 10W T3 Halogen Bulb, Volts: AC/DC 12V, Warm White 3000K. If you use this bulb to replace the halogen lamp and the bulb are blinking (flickering) after installtion; there are two way to aviod flickering: 1. Change your transformer to LED driver; 2. Keep one halogen lamp it your light system, don't all install led."

As Bill said LED's are polarity sensitive. They also require very clean grounds.

Chad, Interesting comments. I have read several places that Lift Pumps tend to fail about 100K. Mine started leaking about 102K and engine was miserable to start. Interesting engine ran better at 6K elevation. Guess Lift Pump was not keeping up with fuel demand. I sometimes stop needing only 1/2 a tank just to buy #2. Enjoy your travels. Pat

Dan, The newer Cummins like yours do not seem to have the issues that pre-2002 engines have with Bio. By time your engine was built engine manufacturers pretty much knew what they were dealing with for fuel and tried to compensate. My 2000 ISC runs very rough off Bio. Most truckers you are talking to have newer engines I'll bet. Had a '67 Mustang GTA with the 390ci engine. Our local race engine really did not want to rebuild that engine in the 90's. In his opinion too much change in CA gas and the 390 did not modify well to run the later era fuel. Pat 2000 Diplomat

I generally find by using the smart phone app or web site called Gas Buddy. I have found most station clerks don't know that's why I'll try and find manager. In CA their will be a sticker on pump saying Diesel #2 or Bio-Diesel and a percentage. Pat C

Several years ago I was advised by a Cummins Distributor at Monaco Intl Rally that pre-2003 engines should not be run on Bio. Our rig is 2000 so am always looking for Diesel #2 signs at stops. That said I live in CA and all Diesel in CA has minimum of 4.7% Bio by state mandate. So I run the Cummins recommended additive from Power Service called Diesel Kleen. Bottle to treat 250 gallons about $17.00 and change at WalMart. Was told by Flying J manager that the 20% Bio sticker is on pump as a warning that pump can contain up to20%. He indicated he has no idea what the actual level of Bio is in pumps just that it will not exceed 20%. Pat C 2000 Monaco ISC 315

Dennis, thanks for heads up. I have followed the first posting. Almost all anti-CA and I very much understanding. I hope some more definition of what is coming will begin to come out about the testing. Scanning the 52 page draft I found testing to be done thru ECM port. The port on my 2000 Dip was not named. Only info I found about my age coach was discussed in a section about a smoke test and percentages allowed by age group. We have lived in CA since middle 70's. We would move to another state if we did not have 3 of our 5 children and 6 of 10 grandchildren living nearby. Our rig is sitting in truck repair shop near Stockton for what I think is a new starter motor. Guess I'll have fixed and enjoy the next two years.

In the past diesel motorhomes over 14,000 lbs were not tested for unacceptable exhaust emissions in California. It looks like this will probably change in 2023. Many of the details are still being developed by CARB. Here is an article that includes the 52 page draft. I do not know anymore that what the article reports. https://www.rvtravel.com/california-mandatory-motorhome-emissions-testing/. Pat Coleman

Looks great. Hope you enjoy as much as I do

Please keep me posted on your success or lack thereof with BlueFire.

Bill, I think Mark at BlueFire-LLC has extension already made for the adapter. He also recently improved the BlueTooth reception, so you might give stock location a try. Pat

Doug, I think Winegard acquiring Silverleaf will help. Not sure it will help with VMSpc. Don't think there is sufficient profit in that product compared to their Glass Dash product. Pat