Posted March 16, 2024Mar 16 comment_663151 My brake light is on and I’ve disconnected the parking brake switch. Based on the service manual the proportioning valve switch must be on but I can’t for the life of me see an electrical connection to it. What am I missing here? It’s the valve on the firewall with the four hard brake lines right? Driving me nuts! Link to comment https://www.classiczcars.com/forums/topic/68862-brake-pressure-differential-switch-connection/ Share on other sites More sharing options...
March 16, 2024Mar 16 comment_663152 Pictures? Link to comment https://www.classiczcars.com/forums/topic/68862-brake-pressure-differential-switch-connection/#findComment-663152 Share on other sites More sharing options...
March 16, 2024Mar 16 comment_663153 21 minutes ago, sboy79 said: My brake light is on and I’ve disconnected the parking brake switch. Based on the service manual the proportioning valve switch must be on but I can’t for the life of me see an electrical connection to it. What am I missing here? It’s the valve on the firewall with the four hard brake lines right? Driving me nuts! Nope. Look down. (Brake MC in the photo to orient you.) Link to comment https://www.classiczcars.com/forums/topic/68862-brake-pressure-differential-switch-connection/#findComment-663153 Share on other sites More sharing options...
March 16, 2024Mar 16 Author comment_663155 There it is!! Thanks!! Link to comment https://www.classiczcars.com/forums/topic/68862-brake-pressure-differential-switch-connection/#findComment-663155 Share on other sites More sharing options...
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