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Melissa
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Posts posted by Melissa
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It’s is an 1988 rw613. To be honest I do not know the rest my brother is trying to locate the manual to do some electrical work, I sent him what you sent me so he can give me further info, I appreciate you
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Would you be able to point me into the direction of where I can find a service manual for this exact truck?
1989 Mack RW-613
in Antique and Classic Mack Trucks General Discussion
Posted
I believe the stop light switch. We are trying to determine at what PSI the NO switch should close and give power to the brake lights when brake pedal pressed?