nigelcurry Posted April 21, 2023 Report Share Posted April 21, 2023 Hi all the oil pressure warning light was working fine before fumbling around trying to relocate a bulb holder into the back of the speedo now guess what!! The light stays on I noticed one connector had come adrift so I put it back where I thought it had come from,it is difficult to see when standing on your head under the dash.My assumption is I got the oil pressure connected wrongly any views on my assumption please,I should add the pressure gauge is correct and there is no oil leakage nige Quote Link to post Share on other sites
RobH Posted April 21, 2023 Report Share Posted April 21, 2023 32 minutes ago, nigelcurry said: My assumption is I got the oil pressure connected wrongly More than likely Nigel, or else the lamp is picking up a stray earth from something else you have moved. The oil pressure lamp has two connections, one is power from the ignition switch ( via the brake warning lamp for pre-76 cars) and the other is to the pressure switch, and which is earthed when the pressure is low. Obviously the fault is somewhere on the latter connection - maybe something earthed is touching the tag on the bulbholder. Quote Link to post Share on other sites
brian -r Posted April 21, 2023 Report Share Posted April 21, 2023 First assumption is you found an earth to replace the connector to, the lamp is fed by direct live from the ignition switch( white wire) then white/brown to the pressure switch which connects to earth on low pressure. I am assuming your wiring colours are the same as my car. Good hunting under there and have a tube of muscle rub handy for after Bri Looks like Rob beat me to it Quote Link to post Share on other sites
nigelcurry Posted April 21, 2023 Author Report Share Posted April 21, 2023 Hoping you guys would assume the same I will get to it thanks guys Quote Link to post Share on other sites
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