1973-1978

GMC Motorhome
Maintenance Information

Data DVD Disk

This DATA DVD contains all of the following

  • Maintenance Manuals for all years
  • Dealer Training Tapes
  • Service Bulletins
  • Maintenance Schedules
  • Wiring Diagrams
  • Factory Assembly Manual
  • Onan Generator Service Manuals 
  • Refrigerator Service Manuals 
  • Air Conditioner Service Manuals 
  • Many more useful manuals for your 1973-1978 GMC Motorhome 

There is almost 3.8 GB of manuals scanned in high resolution on this DATA DVD, with a convenient menu system to enable easy access to all of the manuals

Just pop it into the DVD drive on your computer and use the menu system to access the information you need. You do not have to carry all those manuals with you in the GMC “just in case” which frees up valuable for other things.

$30.00 with free shipping

Click here to pay with PayPal. I'll send it to your registered address.



The following is a list of what is on the disk.


------------------------Dometic Refrigerator-----------------------------------------------------------
Installation and operating instructions for Dometic Refrigerators
RM models 36.46.66.76.77.100
Dometic Service Bulletin R 61/7a
Dometic Service Manual
Covers many models published 1987

--------------------------Duotherm Air Conditioners---------------------------------------------------
Installation and operating manual for models starting with 53206 and 53210
Installation and operating manual for models starting with 54615
Duotherm roof air Briskair Parts List for 57915.403
Duotherm roof air Briskair Parts List for 57915.603 and 57915.613
Heat strip install 60xxx models and 55xxx models
Quick Start kit install instructions
Troubleshooting Duotherm AC units (Simple version 3 pages)
Troubleshooting Duotherm AC units 134 pages
Aux drain pan installation (do not know what model) Published 1997

---------------------Duotherm Furnace-----------------------------------------------------------------
Duo therm DSI (Direct spark ignition) Service Guide from Dometic Published 1983
GM Service bulletin on Duo-Therm furnace Published 1977


-----------------GMC Motorhome Maintenance Manuals----------------------------------------------
GMC Motorhome Maintenance manual Supplement to be used with X7425 for late 1976 coaches.
GMC Motorhome Maintenance Manual for 1973 and 1974 coaches
Base Maintenance Manual for all 1975 thru 1978 coaches
Maintenance manual covering changes for the 1977 and 1978 model years.
GMC Motorhome Parts manual covering ALL years

----------GMC Motorhome Maintenance Schedules----------------------------------------------------
Maintenance Schedule for 1973 GMC
Maintenance Schedule for 1975 GMC
Maintenance Schedule for 1977 GMC
Maintenance Schedule for 1977 GMC
Maintenance Schedule for 1978 GMC
Maintenance Schedule for 1978 GMC

-----------------------Norcold Refrigerator ------------------------------------------------------------
Norcold Service Manual for models 620, 621, 640, 641, 840 and 841
Norcold Repair Guide for models 600, 6000 and 6100

-----------------------Onan Documents----------------------------------------------------------------
Onan Engine bulletins Published 1973
Onan Power Drawer Operator’s Manual and parts catalog
Onan Load Transfer switch
Onan Bulletin on the numbering system (model numbers
GMC MH Onan Recall bulletin
Onan Engine Training Manual
Added electronic ignition
Onan Tool Catalog
Onan Major Service Manual for BF series Generator
Onan Operator – Parts Manual for BF Series
Onan Major Service Manual for NH series Generator
Onan Operator – Parts Manual for NH Series
Onan Product Support Bulletins
Onan Short block bulletin
Onan Supplementary Parts list
Onan Tech Bulletins
Onan Tele-News (Tech info bulletins)

-----------------------------GMC Motorhome Operator Manuals-------------------------------------
1975 Operator’s Manual (Lower resolution)
1976 Operator’s Manual (Lower resolution)
1977 Operator’s Manual (Lower resolution)
1973 Operator’s Manual (High resolution)
1974 Operator’s Manual (High resolution)
1975 Transmode Operator’s Manual (High resolution)
1977 Operator’s Manual (High resolution)
1978 Operator’s Manual (Lower resolution)
1978 Operator’s Manual (High resolution)

------------------------Other Manuals-------------------------------------
Generac Repair Manual for IM, NP and Q Series
Magicchef Care Range and use manual
Moen Faucet Installation manual
Quadrajet Service Manual published 1981
Solaire installation – use – maintenance manual
Shureflo Fresh water pump installation and maintenance manual
Thomas Vacuum Pump Manual
Todd Power Transfer Switch Manual
Thetford Recirculating Toilet Manual

--------------------------GMC SERVICE BULLETINS------------------------
GMC Bulletin - Lightbulb Specifications
GMC Motorhome Service Bulletins

------------------------Suburban furnace---------------------------
Suburban Furnace Operating – Install – Service for NT series
Suburban Furnace Service for NT series

----------------------Thermasan-----------------------------------
Thermasan Brochure
Thermasan Flyer
Thermasan Install Guide
Thermasan Owners Guide
Thermasan Probe Install Guide
Thermasan Flyer
Thermasan 2 installation and owners guide

-------------------------------GMC Dealer Training Tapes--------------------------------
Orientation Part 1
Orientation Part 2 (missing narration)
LP Gas System (missing narration)
Servicing The Air Suspension System
Water System
Electrical System
Warranty Claims Procedure (missing narration)
Norcold Operation & Diagnosis
Body & Interior Repairs
Onan Trouble Diagnosis
New Product Servicing
Air Suspension Update
Solaire System
Planned Maintenance For Planned Pleasure
Winterizing & Spring Preparation
Diagnosing The Charging System
Electro-Level System (missing narration)
1976 Motorhome Service Newsreel
Diagnosing Suspension, Steering & Tire Wear
Electrical Diagnosis Tools
Servicing The !977 GMC Motorhome
Electrical Diagnosis & Repair
Servicing the Duo-Therm Furnace
Chassis Servicing
Motorhome Improvement Modification Program Film 1 (missing narration)
Motorhome Improvement Modification Program Film 2 (missing narration)
Dealer Product Campaign 74-C-1 (missing narration)

-------------------------------GMC Motorhome Wiring Diagrams-------------------------------------
1975 120 volt Living area Wiring Diagram
1975 12 volt Living area Wiring Diagram
75-76 120 volt Living area Wiring Diagram
75-76 12 volt Living area Wiring Diagram
75 Engine with HEI Transmode Wiring Diagram
75 Engine with HEI Wiring Diagram
75 Engine with breaker-points Wiring Diagram
75 Engine with breaker-points Transmode Wiring Diagram
77-78 Chassis with Electrolevel 1 Wiring Diagram
77-78 120 volt Living area Wiring Diagram
77-78 12 volt Living area Wiring Diagram
77-78 Transmode Chassis with Electrolevel 1 Wiring Diagram
Wiring Diagram
77-78 Chassis with Electrolevel 2 Wiring Diagram
77-78 Transmode Chassis with Electrolevel 2 Wiring Diagram
Royale 26 foot Rear Bath Wiring Diagram

 

73-78 GMC Dealer Training Tapes formerly on CD

Are included on the DVD

Volume 1

 

Dealer Training Tapes converted to Windows Media Files

There is a total of about 5 hours of training presentations meant for the dealer's technician's to help them diagnose and repair problems  73-78 GMC Motorhomes.

The titles of the tapes in Volume 1 are


MH 1 Orientation Part 1
MH 7 Electrical System
MH 9 Norcold Operation & Diagnosis
MH11 Body & Interior Repairs
MH13 New Product Servicing
MH14 Air Suspension Update
MH15 Solaire System
MH16 Planned Maintenance For Planned Pleasure
MH17 Winterizing & Spring Preparation
MH20 1976 Motorhome Service Newsreel
MH22 Electrical Diagnosis Tools
MH23 Servicing The !977 GMC Motorhome
MH24 Electrical Diagnosis & Repair
MH25 Servicing the Duo-Therm Furnace
MH26 Chassis Servicing

 

Volume 2

 

Dealer Training Tapes converted to Windows Media Files

There is a total of about 4 hours of training presentations meant for the dealer's technician's to help them diagnose and repair problems  73-78 GMC Motorhomes.

The titles of the tapes in Volume 2 are

Only 5 have the sound track with them. The other 7 only have the slide-shows with no audio. I added a musical soundtrack.

With Narration
MH-4 Servicing The Air Suspension System
MH-5 Water System
MH-12 Onan Trouble Diagnosis
MH-18 Diagnosing The Charging System
MH-21 Diagnosing Suspension, Steering & Tire Wear

Without Narration
MH-2 Orientation Part 2
MH-3 LP Gas System
MH-8 Warranty Claims Procedure
MH-19 Electro-Level System
Motorhome Improvement Modification Program Film 1
Motorhome Improvement Modification Program Film 2
Dealer Product Campaign 74-C-1

 

 

 

73-78 GMC Motorhome
Factory Assembly Manual is on the DVD

Factory Assembly Manual for Classic GMC Motor home 1973-1978

This CD has a Adobe Acrobat PDF file that is a high resolution scan of the Assembly manual during the assembly of the Classic GMC Motorhome.

Almost 1,000 scanned pages packed with information
Clickable links in the index to help get you to the different sections.

This included on the DVD

  

If all you really want is the

73-78 GMC Motorhome
Maintenance Manuals
on
3 CD Set

Maintenance manuals for all years of the Classic GMC Motor home 1973-1978

Including

  • X-7425   1973-1974 Motorhome Maintenance Manual
  • X-7525   1975 Motorhome Maintenance Manual
  • X-7625   1976 Motorhome Maintenance Addendum
  • X-7725   1977-1978 Motorhome Maintenance Manual Addendum
  • Z78   Motorhome Parts Book
  • Service Bulletins
  • Electrical Diagrams
  • Owners Manuals

The manuals are scanned  in high resolution and 256 shades of gray so the PDF files are very large and very detailed.

This is a set of 3 CD's

 

 

$12.00 plus $4.50 shipping