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1995 speedster wont crank after new batteries need help asap plz!

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seadoo360

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Prior to the new batteries the boat cranked and started just fine. I bought two new batteries of the same kind as the old ones. Bought a marine charger and charged them as instructed at 2 amps till the reached 100%. Put them in the boat and all the electronics work fine the radio, blower, bilge etc....but now it doesn't crank at all. I tried switching the wires on the batteries thinking I put them on wrong or backwards and nothing. I need help asap I have a buyer coming for it really soon.
 
mpem

look at the computer module, believe located against the firewall. Check your fuses, since yuo "reversed" the terminals at the battery.
 
Reversed polarity.?

Reversing the polarity is bad news on the electronic modules to these boats. Your module costs about $1,200 bucks to replace.

Make sure you got your control lever in neutral. If it still doesn't try to start, you might check your lanyard safety switch.

Your boat doesn't have the DESS (digital electronic security system) but it does have a couple safety switches that will keep you from starting.

You might have make sure your throttle is all the way at minimum, then move the gear forward and reverse several times to try and get that neutral safety switch unstuck, if that's your problem.

The switch where you connect your safety lanyard, it coud be bad. You can jumper these wires on one of the switches and see if this helps.

Last, make sure the boat is in neutral. Throttle is at minimum. Pull out one of your spark plugs, lay it on top of the motor, to get a good ground. Take off your electrical cover to your solenoids. Put your safety lanyard on and jump across your solenoid. The motor should turn over and if so, look for the spark at the end of your spark plug.............:cheers:
 
I didn't reverse the polarity on the batterys (neg on pos and pos on neg) if that's what you mean. What I'm talking about is the 2 positive wires and the 2 negative wires, I don't know which positive and negative are a pair for each battery. All I could figure is the electronics only work when the 2 cables are correctly paired up? Ill try moving the gear lever to see if it is stuck, I get a beep after trying both engines...
 
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