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Top resources
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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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Common GM wiring coloursHandy reference Guide of common wire colours used for various functions by GM
- RF_Burns
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Alternators, A good article on the Pros & Cons of one-wire VS OEM 3-wire alternators.Read this before switching to a one-wire alternator. Also warning of effects on fuel injection.
- 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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Coachman "It's So Simple" UNI-LOUNGE ManualThis guide came tied to the Dinette in a 76 Birchaven when purchased new.- timthenomad
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Latest reviews
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DO NOT replace the main fusible link with a fuse or circuit breaker!Well thought out response. Having had work done by the former GMC Vendor (and still fixing that...
- PeteSr
Info on how the JC-4 pump actually works
Ontario Canada RV propane refill regulation
2021-04-07
See section 3 which exempts inspection sticker requirements
Micro-level Ride height control system
March 2018
Electronic ride height control system with auto campsite leveling and wireless remote control
GMC Maintenance and Information Notes
2021-02-24
An excellent resource of information from the early '90's
An excellent article about the care and using of LiFePO4 batteries for the house
3 different Max 3DS files
Starting an engine that has been sitting for an extended period.
T
Coachman "It's So Simple" UNI-LOUNGE Manual
2020-10-15
This guide came tied to the Dinette in a 76 Birchaven when purchased new.
How to center your steering box so your coach will drive striaght down the road
This is a great 3 part article about the history of the GMC Motorhome.
Intalling an 80's GM Throttle Body EFI system on a GMC Motorhome
Practical Guide for installation of an 80's GM throttle body EFI system with the EBL add-on.
Great explanation on how the valving works to control the clutches and gears
Transmission Ratio RPM Calculator
2020-05-17
This will show how different gear ratios will change RPM.
What every GMCer needs to know
2020-03-28
A list of useful GMC MH information from soup to nuts!
Rear hub seal & retaining nut proceedures
2020-03-28
Proper installation of real hub seal and retaining nut pre-load. Credit Ken Henderson
Read this before switching to a one-wire alternator. Also warning of effects on fuel injection.
Brake improvements, Disk, drum and parking.
Great Gas Tank Mystery
2019-11-26
Great information as to why the fuel system does what it does.