1992 polaris indy 500 sp efi troubleshooting

Jfujan · Jun 21, 2021

I am attempting to get a 1992 indy running. Last year the wiring cable that goes up to the dash/headlights came loose and melted some wires on the exhaust. This blew the fuse link and it died. After splicing the wires that melted and replacing the fuse it still will not run. Fuel pump will not come on when key is turned to the start position. Ecu is showing a solid red light so thought it may be ruined. Replaced the ecu with another found on ebay and still nothing. I've tried the hard reset by holding it in the start position which doesn't work. Thinking the "self shutoff relay" may be burnt up? Any experienced opinion would be much appreciated.

Thanks in advance!

poncho167 · Jun 25, 2021

I can't help you with that. You may have to wait a few months until the weather gets cold before people are online again.

Old509cc · Sep 5, 2021

If it is a failed acs, you can bypass the acs relay by wiring in a toggle switch. (Or get fancy and have a relay do this but use ignition power to trigger the relay).

The fuel pump relay is stock, and the acs plug in the video is where I put my switch.

CostcoHotdogs · Sep 27, 2021

I'm working through a bogging issue on my sled and I have spend the past 2 weeks or so looking for those relays. I finally found them and wanted to post it here to help you, and for any others who stumble across this thread.

Standard Motor Products RY39 looks like it will fit. I have one on order myself.

ddad62 · Jan 26, 2023

Need some headlight assistance. I need to change it but not break any of the little pieces. any good explaination on how it is held in, does it just twist out? or is that little 'spring clip' hold it in place? its a small space and my big gorilla hands have a tough time feeling it out, and ya can't really see.

David in Minnesota

1992 polaris indy 500 sp efi troubleshooting

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