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Jeremy_Brault

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Jeremy_Brault    3

Jeremy_Brault
Posted

Can anyone tell me what the purpose of the ground relay is on the firewall of a Mack truck?   Do I need it or can I bypass

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Macktech689    55

Macktech689
Posted

That is a circuit breaker that protects against system damage it there is a battery short to ground. Personally I would not bypass it. 

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Go To Topic Listing Electrical, Electronics and Lighting

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