JAGUAR CRANKS BUT WONT START., WAS FUNCTIONIG WELL THE DAY BEFORE

  • Tiny
  • ruben diaz-rodriguez
  • 1990 Jaguar XJS
  • 65 miles

There is no ground in terminal 85, orange cable in the fuel pump relay. When I ground it and put tthe ignition switch on, the fuel pump start. Could be the ECU but needs an expert opinion, thank you RUBEN

Thursday, April 11th, 2013 AT 5:40 PM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 41,612 posts

The brown wire is from battery so that should give power but check your main relay because I think that activates the fp relay and the blue red wire goes to fp where it grounds through that. This is form an xj6 as I don't know what model you have. Wite brown wire is from main relay and pink/brown wire goes to ecu which probably turns it on

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Thursday, April 11th, 2013 AT 6:30 PM

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