94hatch_man24

we have a 1992 cx hatch with the b18b swap in it and the 94 ex cabin harness and the thing wont start.... when the main fuel pump relay is plugged in it wont engage the fuel pump, it clicks and nothing,car doesnt start.. the check engine is dim... with the relay removed we try and start it and it dont start but the check engine is bright.... when i remove the relay and use a jump wire between terminals 5 nd 7 and turn key on and the pump runs..and there is voltage....all the fuses are ok have checked them 100 times..with koeo there is voltage to the plug into the fuel pump. and into the relay withoujt relay in.. we have tried 5 relay's and they all just click... please help

94EG8

Thermostat ground is not connected or there's a bad connection most likely.

94hatch_man24

thanks.. that was most definently it.. we took the ground off and used sand paper on the housing and connector and its all good now.. thanksa alot