i have a 90 civic dx hatch with a 95 VX motor and it has the obd0 to obd1 jumper harness.. i did like it said to ground the exposed yellow wire to a piece a metal and i did then heres what the engine light flash was..

1 long blink... plus 7 quik blinks.. what code is that and whats the problem and resolution?! email me back if u know cuz i cannot find it! ehhhh..

justindelcarmen23@yahoo.com

thanks fellow EF HATCH/CRX/EF SEDAN owners!
EF ALL DAY ERRY DAY! YEEE!

 

Long flash = 10, short flashes = 1 each, so it is Code 17 = vehicle speed sensor.
See http://www.troublecodes.net/honda/hondadtc.shtml

The archives here are full of discussion of the VSS and Code 17. See also the troubleshooting flow chart at http://media.honda.co.uk/car/owner/m.../pdf/11-54.pdf