electrical issues
Discussion
My car has had starting issues for a while, and only starts recently when being jump started. Having ruled out a flat battery, I assume the other cause can be poor earthing.
I've been plumbing in a new dash and now it doesn't even turn over and makes wierd buzzing noises when you put the ignition switch on.
Another sympton is when I turn the fia switch on my indicatiors work fine and get 12v to the dash. When I turn the ignition switch on it only gets around 6v. Would this also indicate an earthing problem or something different ?
I've been plumbing in a new dash and now it doesn't even turn over and makes wierd buzzing noises when you put the ignition switch on.
Another sympton is when I turn the fia switch on my indicatiors work fine and get 12v to the dash. When I turn the ignition switch on it only gets around 6v. Would this also indicate an earthing problem or something different ?
I havent actually disconnected many wires. I'd say just one isnt connected as before..I can pop that back on easily enough. I've just wired in new indicator slights so far so nothing serious.
I've done more etsting and here's a better explanation of the situation.
FIA switch on
ignition switch off
indicators dash light work normally, receiving ~8 volts
when I switch the ignition switch on, then
indicator dash lights receive ~5 volts, then over a few seconds the voltage goes down to 0
I've done more etsting and here's a better explanation of the situation.
FIA switch on
ignition switch off
indicators dash light work normally, receiving ~8 volts
when I switch the ignition switch on, then
indicator dash lights receive ~5 volts, then over a few seconds the voltage goes down to 0
smckeown said:
indicators dash light work normally, receiving ~8 volts
when I switch the ignition switch on, then
indicator dash lights receive ~5 volts, then over a few seconds the voltage goes down to 0
If your battery is OK then you should get 12V or nothing. So confirm the battery voltage is OK and then trace forwards to find where your voltage is being lost. Poor earths would be an obvious candidate. It's worth being careful because in some situations if the main engine earth fails it can end up trying to earth the starter current via the engine loom, throttle cable etc which can do a lot of damage.when I switch the ignition switch on, then
indicator dash lights receive ~5 volts, then over a few seconds the voltage goes down to 0
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