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  1. W

    No start after rewiring alternator 4.3 Mercruiser

    Such as? This was my intention, but apparently not my result.
  2. W

    No start after rewiring alternator 4.3 Mercruiser

    Again, just following the recommendation of the ACR manufacturer. I don't know why it is even matters except for the first 2 minutes before the ACR kicks in. The switch does have an emergency combine feature for jump starting if there were ever an emergency.
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    No start after rewiring alternator 4.3 Mercruiser

    Why would the starting battery be dead? The ACR shares the alternator charge with it.
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    No start after rewiring alternator 4.3 Mercruiser

    UPDATE: As suspected, I had messed it up. I'm still not sure where that sense wire terminated, but it is not on the solenoid. I replaced the wire to the solenoid, and it now cranks again. The alternator is now charging the house bank as intended to be shared via the ACR to the starting battery.
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    No start after rewiring alternator 4.3 Mercruiser

    It was suggested by Blue Sea to swap them so the large house bank is charging first, then the ACR will add in the starting battery to the charging. I haven't actually installed the ACR or switch yet. They wanted the larger bank to be directly connected to the alternator. I have full power...
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    No start after rewiring alternator 4.3 Mercruiser

    1990 Bayliner Capri 1850 4.3 Mercruiser I am rewiring my alternator to swap to my house batteries instead of the starting battery. In the process I have somehow created a no-start situation. It's probably something simple I did wrong, but I am unsure. What I did was remove the main cable going...
  7. W

    Low voltage to accessories from ignition switch

    I ordered a new switch, and will report back with my results. Thanks!
  8. W

    Low voltage to accessories from ignition switch

    Yes, that is how I tested it. 30 year old, easily replaceable $20 part so easy enough to confirm.
  9. W

    Low voltage to accessories from ignition switch

    Even though the battery cable going to the ignition switch is reading 12.7 properly? Since the accessory terminal on the switch is where the voltage is being lost, in my brain that says it is a problem internally with the switch unless I am missing something. 12.7 going into the switch, 11.9...
  10. W

    Low voltage to accessories from ignition switch

    I am checking with a multi-meter at the switch terminals, so it's not in the gauges. Is there a different way I should be checking?
  11. W

    Low voltage to accessories from ignition switch

    1990 Bayliner Capri 4.3 I have a 3 wire ignition switch that is getting 12.7V to the switch on the battery wire, but only putting out 11.9V on the purple accessory wire. I noticed it because the voltage gauge on the dash was reading under 12V all the time. Does that just mean the switch is...
  12. W

    Isolating house loads for dual battery setup

    The only critical load I have would be the starter. This is simply an onshore runabout/bass fishing boat. The ACR and switch does have the "combine" function if I needed to use it in an emergency to start the boat. The only real issue for me is trying to figure out where in the wire loom is...
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    Isolating house loads for dual battery setup

    Mine is all pretty much wired as all of my house loads are already connected to the fuse panel. I just can't seem to figure out where the wire that feeds the fuse panel splits off in the engine compartment so I can relocate it to the house battery.
  14. W

    Isolating house loads for dual battery setup

    1990 Bayliner Capri 4.3 Merc I am hoping to get some help with wiring this Blue Sea Add a Battery Kit into my boat. I understand the wiring instructions for the ACR, but I am trying to isolate all the house loads to only be powered from my house battery. I currently only have a single battery...
  15. W

    4.3 leaking water into boat from exhaust elbow

    1990 Bayliner Capri 1850 4.3 Carb Alpha One I don't know the technical terms here, but both sides of the engine are leaking a fast drip of water into the bilge from the rubber coupler attaching the exhaust elbow to the downpipe section. Is that something that probably just needs cleaned and...
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    RPM drops briefly and new prop

    1990 Bayliner Capri 1850 4.3 Carb Alpha One New boat to me had a 21 pitch 3 blade prop which was very slow out of the hole, and only running 3900 RPM WOT according to the tach at 40mph. Replaced it with a 17 pitch 4 blade. Much faster out of the hole, and now the tach shows 4100 RPM at 34mph...
  17. W

    Cushion for top of Back-to-Back seats

    I often find myself sitting on top of my back to back seats while driving. Anyone have a lead on a cushion that would stay up there so I'm not sitting on the hard top of the seats. I can't seem to find anything that looks like it would work. Thanks. 1990 Bayliner Capri 1850 4.3
  18. W

    Oil Pressure Switch not wired, Fuel pump runs constantly

    Let me preface this by saying I am a tire/suspension mechanic, but not an engine guy. I recently purchased a 1990 Bayliner Capri 1850 with a 4.3L Mercruiser carb motor that is not original. The previous mechanic wired what I believe is an automotive fuel pump that is not oil pressure controlled...
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    Removing Throttle/Shift lever

    I am attempting to reupholster my boat and am having a problem removing the shift lever from the side panel of the boat. It seems to be mounted from the outside, but I can't see the screws and I can't figure out how to pop anything off to get to screws. Any help would be appreciated.
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    3.0L Timing chain cover from parts store?

    I am looking for a replacement timing chain cover as mine rusted through. I have already removed the old one. Is there an equivalent cover I could buy from an auto parts store? If so, which engine/car would it be from? The marina wants $135 for the mercruiser one, which seems insane. Also...
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