Is this good or bad or ?
Thinking of purchasing a 2009 Tiffin Allegro Bus 43QRP but am new to diesels and the current owner is unable to answer my questions. What is a VMM 1210? Are the red lights good, bad or ? Any info wou...
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On Tiffin VMM red lights are GOOD. They just show what circuits are active. The system is almost foolproof. Tiffin used the system and hired the Engineer that designed the old out of business Western Alpine diesel motorhomes. He designed the electrical chassis systems for Western and Tiffin hired him to design the systems for Tiffins Powerglide chassis. The system has the capability for a authorized Engineer to connect a Laptop to change parameters of the operations of the Powerglide chassis. Or even diagnosis problems. Doug
