Hi,
I drove my car at night for the first time in ages and when I put on my headlights the fuel gauge stops working but if I turn off the dash lights it works again 🤪
I know it must be a short somewhere but what's the best way to trace it?
Posted 01 March 2020 - 01:01 PM
Hi,
I drove my car at night for the first time in ages and when I put on my headlights the fuel gauge stops working but if I turn off the dash lights it works again 🤪
I know it must be a short somewhere but what's the best way to trace it?
Posted 01 March 2020 - 02:02 PM
Posted 01 March 2020 - 05:54 PM
Posted 02 March 2020 - 08:13 AM
The earth from the loom goes to a screw in dash behind the amp on LC. Have to take gauge panel out to get to it. Can try cleaning connection. One car I ran another earth wire to engine. Main problem as I see is the earth connection between battery terminal and body at the radiator mounting bolt. Again can be bad connection. But from factory I reckon it's too thin and there's a voltage Drop when lights on and current increased. Just few suggestions
Thanks mate.
I've ordered some LED bulbs for the dash that should arrive this week, so I'll have a look when I have the dash out.
Posted 02 March 2020 - 08:31 AM
I dont know how the little cars systems work, however with my big car, I ran a dedicated ground wire from the voltage regulator to the body. As my gauges would read incorrectly when the lights were on.
Posted 02 March 2020 - 09:54 AM
Definitely not a short.
All the symptoms point to an earth that isnt quite right.
As it is affecting the headlights as well, you need to check there as well.
The fuel gauge going to zero points to the system using the fuel circuit, or gauge circuit to get the earth.
Check your parker earths, then the headlights. Then the earth behind the dash.
Cheers
Rob
Posted 03 March 2020 - 06:51 PM
I dont know how the little cars systems work, however with my big car, I ran a dedicated ground wire from the voltage regulator to the body. As my gauges would read incorrectly when the lights were on.
Posted 03 March 2020 - 07:42 PM
Edited by hanra, 03 March 2020 - 07:43 PM.
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