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Problem With Justjap Autogauge Oil Pressure Gauge

r32woohoo
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r32woohoo Rising Star

r32woohoo

Posted
Posted

Hey all, i just installed a set of the justjap autogauge gauges, oil pressure, temperature and water temperature all with the warning light/beep.

Wired everything up, started her up and yay, they all worked.

But then one minute later the oil pressure gauge dropped to 0 and started beeping at me. When i give it some revs the pressure goes up and seems to half work. but once i get off the gas and let it idle, it just drops straight back to zero.

I've unplugged it since i cant stand the beep.

Just wondering if anyone else has encountered this problem with any type of electronic pressure gauge and found a way to correct it?

PS: im considering the fact that it may be a faulty sender unit, but I cant get in contact with justjap until monday.

Haysey Grand Master

Haysey

Posted
Posted

Im thinking that you might have an oil leak? same thing happened to me, the sandwich plate was leaking and oil pressure was very low, managed to dump half my oil in a 10min drive too...

ive got similar gauges but without the warning function which work perfectly... lowest its gone is 10psi after a thrash :thumbsup:

did you put + on - and vice versa? or are you sure they are on + and +

Duncan Grand Master

Duncan

Posted
Posted

wow nice work blaming the quality of the gauges first up.

we ran the Just Jap Auto gauges on the car at Targa Tas and they worked faultlessly. I think you should start with checking the install....is it getting 12v+ and good earth? is the sender earthed properly? what v does the signal wire send when the motor is running? does you standard gauge show the same thing? does your factory oil pressure warning light come on? how much oil does the dipstick show? how did you connect the sender to the oil?

r32woohoo Rising Star

r32woohoo

Posted
  • Author
Posted

all the senders are earthed directly to the shell

ill attack the rest of the wiring with a multimeter and see what i can find.

my standard gauge does the same thing but only on and off, sometimes it works, sometimes it doesnt. the warning light has never come on.

the sender is attatched to a sandwich plate along with the temp sender

checked the oil yesterday and its fine, ill check it again in the morning to make sure it hasnt moved.

couldnt see any oil leaks yesterday, ill check in the morning aswell

i think the gauges are fine, must have done something wrong somewhere

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