77_Cruiser Posted June 24, 2018 Share Posted June 24, 2018 (edited) This is from a 1977 Cruiseliner. I was opening this hoping to see some fuzes. Not exactly what I was expecting. Just a bunch of terminals. Are all these subsystems really running without overload fuses??!! And I see a completely unmarked/unlableled back row of black connectors. Anyone know what is going on there? Edited June 24, 2018 by 77_Cruiser left out question Quote Link to comment Share on other sites More sharing options...
mrgumby Posted June 24, 2018 Share Posted June 24, 2018 That bottom row with the markings are circuit breakers instead of fuses 2 Quote Link to comment Share on other sites More sharing options...
77_Cruiser Posted June 24, 2018 Author Share Posted June 24, 2018 49 minutes ago, mrgumby said: That bottom row with the markings are circuit breakers instead of fuses Thought those where main power buses. Okay, idiot perception 1 addressed... Thank you. And ideas on the back row all black? Are those main power? Quote Link to comment Share on other sites More sharing options...
mrsmackpaul Posted June 24, 2018 Share Posted June 24, 2018 Mate need a better photo of back row you are referring to Paul Quote Link to comment Share on other sites More sharing options...
77_Cruiser Posted June 24, 2018 Author Share Posted June 24, 2018 1 minute ago, mrsmackpaul said: Mate need a better photo of back row you are referring to Paul Basically talking about the black lines to the chrome block up top. Though the more I look at it and think about it, that is probably a controller/alarm block as the low water alarm connectors are tied into it on the right... Quote Link to comment Share on other sites More sharing options...
mrgumby Posted June 24, 2018 Share Posted June 24, 2018 The two silver boxes on left and right ends are relays. the black box to right is your kysor alarm for water temp and so on. The Eaton box I don’t know does it have a 2 speed rear in it 1 Quote Link to comment Share on other sites More sharing options...
77_Cruiser Posted June 24, 2018 Author Share Posted June 24, 2018 38 minutes ago, mrgumby said: The two silver boxes on left and right ends are relays. the black box to right is your kysor alarm for water temp and so on. The Eaton box I don’t know does it have a 2 speed rear in it Yep. 10 speed Eaton. Thanks man. I think I have enough to start debugging now. Quote Link to comment Share on other sites More sharing options...
h67st Posted June 25, 2018 Share Posted June 25, 2018 A 77 CL wouldn't have a 2 speed rear, would it? Could it be for antilock brakes? Quote Link to comment Share on other sites More sharing options...
Maxidyne Posted June 25, 2018 Share Posted June 25, 2018 A '77 would have antilock brakes and Eaton was one supplier of antilock brakes. 2 Quote Link to comment Share on other sites More sharing options...
mrgumby Posted June 25, 2018 Share Posted June 25, 2018 Ya I forgot about those wonderful anti lock brakes back then. I’m surprised if that’s it that someone hasn’t ripped out most were taken off before they caused a wreck 1 Quote Link to comment Share on other sites More sharing options...
Maxidyne Posted June 25, 2018 Share Posted June 25, 2018 A lot of the ABS suppliers rushed them to market and they had a lot of problems, IIRC Eaton's often failed. On the other hand, company I drove for tested Kelsey-Hays ABS on a '73 Freightliner and Bosch ABS on '88 Freightliners, both were very reliable and gave little trouble. I put the ABS on the '73 to the test in the early 80s when a full wheeler pulled out in front of me in the rain, they still worked as intended and saved the 4 wheelers ass from all but my profanity. 1 Quote Link to comment Share on other sites More sharing options...
Freightrain Posted June 25, 2018 Share Posted June 25, 2018 Third CB from the right says "anti lock" right on it. 1 Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment Share on other sites More sharing options...
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