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Old 08-12-2018, 02:17 PM   #1
Junior Member
 
Brand: Thor Motor Coach
State: Oklahoma
Posts: 3
Infinity electrical issue?

On this years trip to Sturgis my 2000 Infinity WC coach developed what I believe is an electrical problem. While driving the coach with the cruise control on, if the V-10 would downshift I would get an immediate studded of the engine with dimming of the lights. Also when applying the brake to slow, headlights would dim and bolt meter would drop and fluctuate between 8-13 volts.
I'm thinking maybe a bad master switch not to be able to carry enough load through it. Or maybe a dead short to the system.
Any others ever see this?

Retired and loving it!
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Old 08-12-2018, 11:16 PM   #2
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Brand: Thor Motor Coach
Model: ACE 30.1
State: Alberta
Posts: 115
How old is your chassis battery and is it fully charged or charging normally would be my first question? If the battery is relatively new and fully charged, you might want to clean battery terminals/connections and main ground connections on battery to chassis; alternator and engine to chassis as a first check.
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Old 08-13-2018, 12:37 AM   #3
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Brand: Thor Motor Coach
State: Oklahoma
Posts: 3
The battery is probably 4 years old. I did consider that as a cause and more likely the alt especially because of the drop in volts when signal lights or brake lights are applied. Thanks for your response.
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