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TA-022
Forums Junkie


I Supported Toymods

Location:
Glenmore Park, NSW
Registered:
March 2004
ra28 fuel Sender and guage problems Mon, 18 April 2005 11:21 Go to next message
ok peeps im at my wits end here.

i have:

1. Pricol Fuel Guage
2. ra28

guage doesnt read more than a quater tank. when tank gets filled guage reads squat adn bounces all over.

sourced 2nd hand sender form Celica Spares....no difference.

what should i be looking at next? wiring?
how can i test that the sender isnt faulty?

this is the current setup.
http://users.tpg.com.au/nbdean/hookup.gif
here acc power is from original loom.
negative is from floor under stereo.
original sensor wire used from loom.

my other ideas are to use the same earth for the guage as the sender (wether parallell or in series)

or use the earth from the original loom as apossed to my chasis earth.

any advice appreciated.

Cheers

Nathan

[Updated on: Thu, 28 April 2005 10:11]

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TA-022
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I Supported Toymods

Location:
Glenmore Park, NSW
Registered:
March 2004
Re: ra28 fuel Sender and guage problems Thu, 28 April 2005 10:15 Go to previous messageGo to next message
help?! Confused Shocked
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TA-022
Forums Junkie


I Supported Toymods

Location:
Glenmore Park, NSW
Registered:
March 2004
Re: ra28 fuel Sender and guage problems Fri, 29 April 2005 02:31 Go to previous messageGo to next message
help?!!!!! Confused Confused
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TurboRA28
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Location:
Terrigal
Registered:
May 2002
Re: ra28 fuel Sender and guage problems Fri, 29 April 2005 02:35 Go to previous messageGo to next message
I think you'll find the problem is you are using a guage that isn't designed to work with the stock ra28 sender.

I put a new fuel gauge in the celica, and had to install a new sender designed for this guage.

Cheers
Joel
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TA-022
Forums Junkie


I Supported Toymods

Location:
Glenmore Park, NSW
Registered:
March 2004
Re: ra28 fuel Sender and guage problems Fri, 29 April 2005 12:42 Go to previous messageGo to next message
where should i be looking for alternate senders?

cause the pricol site doesnt say jack and the instructions with the guage was just a wiring diagram?

Cheers

Nathan
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TurboRA28
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Location:
Terrigal
Registered:
May 2002
Re: ra28 fuel Sender and guage problems Sat, 30 April 2005 01:48 Go to previous messageGo to next message
The shop I purchased my gauges from also sold the senders.. Most guages require a new sender.. Oil for example.

I'd talk to a reseller of pricol guages? See what they have in the catalog.
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TA-022
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I Supported Toymods

Location:
Glenmore Park, NSW
Registered:
March 2004
Re: ra28 fuel Sender and guage problems Sat, 30 April 2005 02:07 Go to previous messageGo to next message
aight thanks for the help joel...guess il need a pricol sensor or similar...

Cheers

Nathan
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TA-022
Forums Junkie


I Supported Toymods

Location:
Glenmore Park, NSW
Registered:
March 2004
Re: ra28 fuel Sender and guage problems Mon, 02 May 2005 13:55 Go to previous message
aight for those who ever need to know.
this info cost $25 and killed a RA28 Fuel sender. Confused

the pricol guage works off of resistance.
it puts out 6v roughly to the sender and measures the resistance, which is the displayed.

RA28 sender (and toyota for that fact) seems to read ZERO
ohms at full tank and 100-105ohms at empty tank.

this is opposite to what the guage wants.

so i butchered the sender open....flipped the resistor / coil
and put back together. Now 0ohms is empty and 100-105ohms
is full.

only 100-105ohms only reads just under 1/2 a tank. And mind you this is manually adjusting level with the sender outside the tank.

so the sender doesnt generate enuf resistance to read a TRUE full tank.

so im doing tests on senders at the wreckers tomorow after 3pm.
qwik test on Sunday showed vn/vr commodore sender reads 30/40ohms to 4/500ohms.

At least at this point i know empty is empty and just under half is near full. Better than the E and F playing ping pong with the needle on the guage Very Happy
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