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  1. alldodge

    72 Thunderbird Formula w/twin 165hp Mercs

    The hydraulic line looks like problems later, any chance of having it bend a bit more? Your all around white is legal but turn that on and your not going to be able to see very well. A single at the stern or use two lights 225 degree front and a 135 degree stern light.
  2. alldodge

    looking for help with wire colors and location 1978 merc 260

    If your 260 is like this one, the Orange goes to the ALT output to the Battery and is at least a 10 AWG wire. The purple is the ignition and could be a resistance wire going to the plus side of the coil. Otherwise its like the one previously posted, need to ring it out
  3. alldodge

    LP Gas line installation

    Trying to gather info on LP gas line installation. Distances Tank to side of house 70 feet (high pressure) House side to tee connection 110 feet low pressure) Was wanting to direct bury some kind of plastic from tank to house. Then run 1/2 copper around to tee. Running two fire place...
  4. alldodge

    Crankshaft Mounted Raw Water Pump 1996 Mercruiser MIE 7.4L Hurth/Borg (Gen IV)

    I would if I could, I'm another which have to hand upside down to change. But only have about 2 inches in front of the pulley
  5. alldodge

    Slave solenoid terminals labelled I and S

    The I should go to Ignition and the S should go to Start, being they are on the small terminals I would put S on the Ground side. Why its marked on the small terminals has got me. If you put an ohm meter across the terminals, check both directions and see if one side has more or less...
  6. alldodge

    95-98 5.7l types

    The lower unit corrosion could also have started from someone chipping the housing and it just kept growing. Since your going to keep the boat on the trailer your not going to see the same kinds of corrosion most see. If you do keep it in the water your also going to need a Mercathode, which...
  7. alldodge

    Hydraulics don't work :(. Help please

    I'm guessing you have the rectangular style panel mount with 3 switches. Other then trying to find one on ebay or the like, you would need to do some rewiring. Then I would suggest either one like part number 78408A 5 in the link below...
  8. alldodge

    Dual battery question

    It's best to run all negative cables to the engine block where they are tied together. To charge your batteries use an automatic charge relay (ACR) , this way when the motor is running it will charge both batteries. When the motor stops the batteries are separated. Will not effect your...
  9. alldodge

    Water in this oil or not?

    In the previous pic, it showed the top of the manifold and there are slots in it. The slots allow water to go up thru and out the exhaust elbow. The plastic you have on top only allows the air to come thru the slots and then go into the intake manifold. the slots need to be sealed up. Find...
  10. alldodge

    Volvo Penta 5.7 gi-f won't run

    Sure wish some of the VP guys would come in. I'm offering Merc stuff to give you something but may not be what you have. My guess is since Merc doesn't appear to use the cam sensor, it uses the crank sensor. Here in the Merc manual item e (module) says not used.
  11. alldodge

    1996 bravo 3 limiter blocks

    Howdy Here is you first thread http://forums.iboats.com/forum/general-boating-outdoors-activities/boat-topics-and-questions-not-engine-topics/10169985-1996-bravo-3-limiter-blocks Didn't notice it at the time or would have commented. there are two issues your dealing with first gen (for lack...
  12. alldodge

    8.1 GiC 400hp

    Oh I hate to change the impeller on my cruiser, I have to remove the ALT and hang upside down to do it, not fun
  13. alldodge

    Volvo Penta 5.7 gi-f won't run

    Here is the Merc troubleshooting guide, which should work for yours to get closer. Note step 3, when you crank the motor the tach should show some rpm. The crank position sensor test in on step 12
  14. alldodge

    7.4 running hot?

    My nickels worth, you have a 1990 model 454 which (unless it's been changed) has an engine mounted fuel pump. If this is the case your fuel pump is dumping fuel in your motor and gas is mixing. This is why your oil level is going up and there is no milk. As for the your compression numbers...
  15. alldodge

    Thunderbolt IV no spark, at my wits end

    Howdy Here is the TB-IV troubleshooting flow chart
  16. alldodge

    OK to bypass circuit breaker?

    The ALT output wire needs to be connected to the main starter terminal via the 90 amp fuse.
  17. alldodge

    Formula 233

    So neither motor will crank over now using the key, but they will crank over using the PO switch on the motor, correct? In the pic below look for item 8, this is the slave solenoid. There are 4 wires on it, two large and two smaller. Put a meter on the small Yellow/Red wire and then turn the...
  18. alldodge

    Trim Pump Question

    The relays are mounted on the side of the pump
  19. alldodge

    95-98 5.7l types

    Your on the far end of the B3 props with 26 pitch but should not be an issue so long as you don't over rev. B3 props run from 19 to 30 pitch for the 3x3 blades. You should have the 1:50 ratio for a boat that light.
  20. alldodge

    5.7 Gsi not starting, no fuel pump startup?

    I'm using the same drawing your using. In my first post I did say ECM turns on relays when I should have said relay, just the Fuel pump is turned on by by applying a ground to pin 85. There should be 12V on pins 86 and 30. When the ground is applied to pin 87 the relay should energize and...
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