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  1. dingbat

    2003 60hp 4 Stroke EFI Relays

    Unless you have a schematic, you’re have no idea how the relays are used or if they are NO or NC in the logic (circuit). Most EFI control the HP fuel pump through a series of interlocks. If any of the interlocks fail, ECU will shut down the pump and disable the ignition as a fail safe. You...
  2. dingbat

    New ish 2021 - 2025 Honda CRV trans better now?

    https://www.crvownersclub.com/threads/honda-crvs-cvt-transmissions.232830/
  3. dingbat

    Need a new car battery for the boat. Screw in water inspection caps.

    Agree…. Looking for a 12V, 18 Ah (200 CCA) battery for my zero turn. $60 for a (motor cycle) flooded acid starting battery $130 to replace the AGM that came with
  4. dingbat

    Opening day of summer boating season.

    Cant afford them. Bought my first town home for $72,500 with $3,500 down. Mortgage payment was 40-45% of my salary. Had a roommate to make ends met. Fast forward to today…the median price of a home in the County is $623,000. With 5% down, you’re looking at a $4,900 a month house payment. Would...
  5. dingbat

    1990 Trophy twin Force 120s prop question

    Unfortunately, that’s not how it works. Motors are limited in rpm when demand exceeds supply. The 4500 rpm limitation tells us the motors are max’ed With rpm the determining factor in both HP and torque, the 700-750 reduction (15%) in RPM is costing you roughly 30 HP in available HP I’m...
  6. dingbat

    1990 Trophy twin Force 120s prop question

    Is this a new to you boat? Assume problem stays with motor if props are switched? What props are you running?
  7. dingbat

    Shoreline Trailer Highlander Series

    Pretty sure Shoreline and shoreland’r are not the same company
  8. dingbat

    1990 Trophy twin Force 120s prop question

    The transom is pretty cluttered close to the prop. Cavitation/venting is the most likely scenario Anything mounted in the vicinity of the prop from the bow to the stern is suspect. A misplaced thru hull will do it. Sensors should be mounted 4”+ outside the radius of the prop. Some transducer...
  9. dingbat

    No Spark on plugs unless this wire disconnected

    The key switch shorts the ignition to ground to kill the motor. Removing the wire circumvents this feature. If it’s not working with the key, you have something wrong in the switch circuit. Put a meter on it to confirm, but I’m guessing your key switch needs replaced.
  10. dingbat

    Zinc contact points- sand clean?

    Fresh water (chemically pure) is becoming less and less common. May have to bump up to aluminum if magnesium gets eaten up too quickly. If you’re in a marina, your most likely the victim of stray current. Otherwise, a bad ground or a current loop on the boat will accelerate the corrosion...
  11. dingbat

    Powerdrive Advanced GPS Upgrade kit Remote recommendation

    Well, I’m certainly not a fan of using a cell phone as a HMI display. In a boat drift fishing? Gonna get wet, gonna get beat up over time. No question here…. full size controls if you have the change.
  12. dingbat

    Lowrance Networking Help

    Ok, you’re sharing displays. Should be able to share a gps source through NEMA. Anyhow, it looks like your stuck with one of these….. https://www.lowrance.com/en-sg/lowrance/type/accessories/nep-2-network-expansion-port/
  13. dingbat

    CLR salt removal experiment

    Did you do a chemical analyst to determine if the material was actually salt? Reason I say that, salt is water soluble. Soaking in a pan of water would have removed a salt buildup. In reality, it’s calcium. Sea water has ~ 400 ppm of calcium. Reason why CLR did the trick.
  14. dingbat

    Shoreline Trailer Highlander Series

    With the exception of frame parts, everything is sourced via a third party. Should be a manufacture's mark or part number on the part to identify the component in question.
  15. dingbat

    Zinc contact points- sand clean?

    All “zincs” oxidize becoming less and less effective over time. Sanding, wire brush is better, will restore efficiency, but if there is any erosion or pitting, (looks like sponge) I just replace them What water type and anode material is in use?
  16. dingbat

    Lowrance Networking Help

    Not sure what network cable you’re talking about. RU using the Lowrance network by chance? To add additional devices to a NEMA 2000 network, you simply put a tee in the back bone and connect the new device with a drop cable. In your situation, you would need to install two tees and two drop...
  17. dingbat

    Zinc contact points- sand clean?

    The mounting bolt is the contact point. Where talking molecular contact, not electrical. Sanding the protective barrier (paint) from the surrounding area does nothing except expose bare metal to corrosion When was the last time you “sanded” the surface of the “zinc”? They oxidize over time...
  18. dingbat

    How to test shift interrupter on a Mercruiser?

    Pulling the ground will not tell you if the switch is shortened internally Check for continuity between the switch input and output while operating the switch
  19. dingbat

    Garmin GPSMAP 7608xsv Issue

    They use a 10-32 VDC auto-ranging power supply. Check to see what voltage is being reported by the unit. Went round and round with a Garmin tech over the issue. Kicked it up to engineering who called me back to discuss. Confirmed my diagnosis, bad power supply. Electrical ground is in the...
  20. dingbat

    F115 IAC not receiving signal from ECU?

    Swapping the sensors pretty much eliminated the sensor. You need to focus on the wiring (ground resistance -0 ohms) and or the input to the ECM to trigger the pulses. Don't know if this is the specific valve in question, but they all work pretty much the same
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