andrushenko Posted March 14, 2010 Report Share Posted March 14, 2010 ok first my tacho i just bought, i need help finding the 12v dash lighing so when i turn my parkers on the lights in my tacho turn on. tacho works, kinda flickery and doesnt seem to be revving as high as it should...at i''ve got red wire> positive battery terminal black wire> earth green wire> negative coil white wire> meant to go to 12v dash so it illuminates. atm, my car only revs to 5000 at the most, kinda wierd is this wiring right? or should i move the red from the battery to the positive coil? also, my radiation fan doesnt work. i've got the red wire to battery but the green wire is cut? i think this goes to a temp sensor? where is this? cheers Quote Link to comment Share on other sites More sharing options...
jono1986 Posted March 14, 2010 Report Share Posted March 14, 2010 How much did you pay for the tacho, cause mine was 40 bucks and it's accuracy is +/- 100 revs. thought of adding a capacitor or a resistor in to smooth the signal out but haven't tried yet. Quote Link to comment Share on other sites More sharing options...
andrushenko Posted March 14, 2010 Author Report Share Posted March 14, 2010 How much did you pay for the tacho, cause mine was 40 bucks and it's accuracy is +/- 100 revs. thought of adding a capacitor or a resistor in to smooth the signal out but haven't tried yet. ohh it was just a cheapy let me know how you go with that Quote Link to comment Share on other sites More sharing options...
aaronsae71 Posted March 15, 2010 Report Share Posted March 15, 2010 Check on your tacho because they have a switch on the back with 4-6-8 as this is for the amount of cylinders so make sure the switch is on 4 and you can wire the white wire to ignitoin power so when you turn the ignition on the light will light up and the red wire should also go to ignition power also so if you have a cd player run it to the red wire on the cd player wiring or if not go and buy a test light and find ignition power. Quote Link to comment Share on other sites More sharing options...
idw Posted March 16, 2010 Report Share Posted March 16, 2010 sounds like yours is switched to 6 cyl or its only for 6 cyl cars. and a 12v 100uf capacitor should smooth out the movment but just wire in a diod in line to the capacitor on the positive to be abit safer Quote Link to comment Share on other sites More sharing options...
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