'99 40hp Johnson System Check Gauge Wiring

I have a 1999 40hp 2 stroke Johnson motor, the model is J40TPLEEA. It was originally a tiller steer with electronic start that I have now <br />converted to remote control. All went well till I took it for it's first test run on the water...After a few minutes running the "NO OIL" <br />light and warning buzzer on the System Check Gauge came on. Now I thought this was strange as this motor uses pre-mix 2-stroke fuel, <br />there is no oil tank on it! The original (tiller)set up had a System Check Gauge connected but when I upgraded I installed a Tacho/System Check Gauge and a new wiring harness. Unfortunatelly I didn't notice if the old wiring harness was "modified" before discarding it...lesson <br />learnt too late! I am assuming that the "NO OIL" (and possibly "LOW OIL") circuit(s) needs to be isolated or looped somehow to eliminate the "false alarm"?!? Any help would be appreciated.

Re: '99 40hp Johnson System Check Gauge Wiring

I have an '88 40 VRO, and have disabled the VRO and installed conventional fuel pump. Mine had a three-wire harness and black rubber plug (male)for the VRO pump assembly and alarm senders. Disconnecting the plug disabled the fuel and oil related alarms on mine.<br /><br />I believe yours would have been a 4-wire. If it's in the same location as mine, the plug would be somewhere near (below, behind, around) the starter. Maybe someone just cut the wires and didn't remove the plug, and a wire is making contact??<br /><br />Oops, just noticed that you replaced the wiring harness. I guess you are going to have to replicate the alarm and locate the wire doing the sending.<br /><br />Definitely put a damper on your maiden voyage, I'll bet. Hopefully the motor ran well otherwise. My father-in-law would suggest a loud stereo as the remedy. <br /><br />Good luck

Re: '99 40hp Johnson System Check Gauge Wiring

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