siocox Posted August 14, 2007 Report Share Posted August 14, 2007 This Problem is probably an earth issue. The water temp and oil temp guages increase, the oil pressure and fuel guages decrease when the headlights are switched on. The same thing happens when the rad fans start to operate. I have cleaned the main earth points but still the same. Regards Simon Quote Link to comment Share on other sites More sharing options...
Artie Posted August 15, 2007 Report Share Posted August 15, 2007 have you tested the alternator? Possibly going out and running low voltage and screwing with the electric signals Artie Quote 89 White Esprit SE...a few little upgrades....93 RX7.....Silverstone....slightly modded...Muahaha...New Addition:1990 300ZX TT......Hmmm Link to comment Share on other sites More sharing options...
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