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When you say it "won't start" do you mean the starter doesn't engage and turn the engine over or do you mean the starter turns the engine over but it wont fire? Do you hear the primary fuel pump run with S1 in the Prime/Run position? Try disconnecting my VR wire that you hooked to K15. Put...

Things to check... Make sure the Emergency Off Button is pulled out Make sure CB1 isn't tripped Make sure Battleshort is OFF Does the fuel punp run with S1 in Prime/Run? Do the panel illumination lamps work?

Installing the VR should have no affect on starting. The two wires you connect to M7 and K15 would not affect the starter motor from operating. Those two connections just pick up 24 volts and ground for the VR operation. I'll noodle on it though.

Yes I do

I sure do. I have about 10 on hand at the moment.

Yes it's a SPST. Not any spst will work. In this application it has to be able to handle the current required by the four intake heaters in your 803.

Is the Emergency Off switch pulled out?

Updated my post. 🙂

Edit Prior post updated

If you are referring to the Voltage Regulator, there are no adjustments needed. I assume you didn't mean Governor Controller

Mike, Sent you a PM with purchasing details. Kurt

Yes it's a snap to install. Remove the 8 wires from the existing VR. Remove the 4 screws attaching it to the back wall. Lift it out. Secure my VR with 4 new screws that are provided. Hook the 8 wires back up to the new VR. Attach two wires from my VR. One to the Oil Pressure Gauge, one to an...

The new VR does not require the "Fuse Mod" It does not require the MOV mod. It works in generators that have defective Quad Windings. Virtually all parts are replaceable. It offers a greater output voltage adjustment range.

The replacement VR is $175 including USPS Priority Shipping to anywhere in the US including US Terratories.

I make and sell a replacement Voltage Regulator (VR) for the MEP-802A and MEP-803A. Same part for both generators. I have them in stock ready to ship.

VR is short for the A1 AC Voltage Regulator. I'm Kurt.. See the SS classifieds Parts For Sale section for the VR's

It doesn't hurt anything. It simply helps protect the A1 Voltage Regulator from shorting out.

The Varistor is not part of the official "Fuse Mod". The addition of the Varistor is done to protect the A1 Voltage Regulator from damage. The Fuse Mod only protects the Quad Winding in the gen head should the A1 VR fail and short out.