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DO NOT replace the main fusible link with a fuse or circuit breaker!DO NOT replace the main fusible link with a fuse or circuit breaker as recommended by some.
- RF_Burns
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GMC Motorhome Tire & Wheel InformationThe definitive guide to tire and wheel options for the GMC Motorhome
- Christo
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Universal joint in tilt steering column is wornI hope this fixes the last of the "play" in my steering
- RF_Burns
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What every GMCer needs to knowA list of useful GMC MH information from soup to nuts!
- RF_Burns
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Embedded Lockers Flash What's Up DisplayInstructions for the What's Up Display for the EBL
- billvv
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Latest reviews
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Disc brake upgrades, part numbers and donor vehiclesThe Eldorado calipers are 63.5mm and have a parking brake lever. Be sure to use D122 pads with...- Christo
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Heat/AC Dash Control and Vacuum Control operation 2021-05-30John gave a great presentation at the 2018 GMCMI Tucson!- Richard RV
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Resource 'Starting an engine that has been sitting for an extended period'
Technical Corner MAINTENANCE, RENOVATIONS, AND MORE Starting an Engine That Has Been Sitting for an Extended Period Larry Weidner | 1978 Royale | Menomonie, Wisconsin The following is just my humble opinion. I offer this FYI. Your milage may vary. Over the last 15 yrs I have seen a number of people get into GMCing buying a GMC that has been sitting for a number of years. In several of those cases, they were able to get the GMC started, put it in gear and drive it home. Sometimes they...- Christo
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Resource 'GMC Motorhome Tire & Wheel Information'
Wheels OEM (Factory) Steel Wheels Firestone Accu-Ride / Accuride Size: 16.5" x 6" Interesting article about the oddball wheel diameter Weight: ~40 lbs. Part #27995 (GM #359402) or 27725 Used from VIN #TZE165V101674 (mid-1975) onward For radial tires 85 PSI max Part number and ® (circled R) or "Radial" stamped on inside of wheel near valve stem Part #27604 (OBSOLETE) For bias ply tires ONLY. Do not use with radial tires. Part number stamped on outside of wheel between two lug holes...- Christo
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Lifting fuel tanks when alone
2023-09-05
This leaves to floor jack out of the problem
Window hugging shade surrounds made from PVC
2023-08-02
Using PVC curved to match the walls so the shades hug the walls
This TunerPro XDF file has additional Help descriptions of terms.
Gauge issues could be poor connections at the electrical connector pins
Airbag Shutoff Valves
2023-04-20
Parts list and info for Schrader valve, ball valve, and fittings for airbags
Advantages of the EBL add-on to the Howell (or GM Throttle Body) system
Internet Idiot's Guide to GMC MotorHome Information
Local copy of pdf
Gary Bovee's site including info on how to buy a GMC
Onan Control Board Troubleshooting
2022-10-17
Handout from a presentation my "Mr. Onan" Duane Simmons
Electric Parking Brake Installation (EPB)
2022-09-28
Installation of Albert Branscombe's EPB on my coach
Digi-Panel Installation Manual
2022-08-07
Installation manual for the popular Digital-Panel by Digi Devices
Onan6kwNH_Operator-Parts.pdf
2022-08-06
OPERATORS MANUAL AND PARTS CATALOG FOR 6KW NH Power Drawer
Onan 6Kw Major Service Manual
2022-08-06
This manual contains information required for proper maintenance, servicing and overhaul of the 6KW
A great collection of info on the engine V-belts, types and sizes
A GMCWS technical seminar from Oct/2006, test results from a GMC Pacific Cruisers Dyno Shop Rally
I hope this fixes the last of the "play" in my steering
A flow chart to help troubleshoot why the engine alternator may not be charging, by Ken Burton
An excellent document on the electrical ground systems in the GMC