230e engine cuts out while driving with lights on and now while driving with lights o

[simmo1961]

1989 230e engine cuts out when driving with lights on check charge rate 13.85 and with light on 13.75 check battery good 12.45 volts but to day engine cut out when driving with lights off check the fuel pump is quiet
not very old when it cuts out its instent then try and restart wont wait
30 seconds it will restart would it be ovp relay or ign module have replaced alternator no diffrance can any one help

simon
just about ready to set fire to it

replaced alternator
fuel pressure reg
check earths ok