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03-09-2003, 10:25 AM
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#1 |
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Got Big Block?
Join Date: Apr 2000
Location: West Texas
Posts: 1,510
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Fuel gauge testing
How do I test to see if my fuel gauge is working or if my sending unit is messed up. Right now my gauge reads WAY past full. If I unplug the tan wire from the fuse block or the sending unit the gauge doesn't move. I used to know how to do this but now have forgotten.... old age I guess.
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"Experience is what you get when you didn't get what you wanted." |
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03-09-2003, 11:21 AM
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#2 |
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Got Big Block?
Join Date: Apr 2000
Location: West Texas
Posts: 1,510
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thanks anyway, I figured it out.
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"Experience is what you get when you didn't get what you wanted." |
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03-09-2003, 09:12 PM
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#3 |
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Registered User
Join Date: Dec 2002
Location: Ludlow,MA
Posts: 145
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how did you do it i have the same problem, and what caused it
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03-10-2003, 08:43 AM
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#4 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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A quick way to check out your gas gauge is to disconnect the wire on the tank unit. Gounding the wire should make the gauge go to empty. Disconnected should make the gauge go past full. If that works that way, you have tested your dash gauge, your wire, and if you grounded the wire to the tank, you have checked the tank ground.
If your readings are bad, then the problem is probably in your sending unit. To test the unit, remove and check with an ohm meter. the ohm readings should be "0" at the empty position of the float and 90 at the full position. You should get a linear reading from 0 to 90 ohms as you move the float from empty to full. Jim |
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03-10-2003, 12:56 PM
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#5 |
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Registered User
Join Date: Dec 2002
Location: Tampa
Posts: 1,191
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Nicely put JimKshortstep4x4. You can also bend the rod that holds the float to tweak it a little.
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'68 Short Step LS1/T56, Hydratech, Fatman Fabrications Stage III, Baer, Hot Rods to Hell, US Body, S&W, etc |
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03-10-2003, 04:03 PM
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#6 |
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Registered User
Join Date: Nov 2000
Location: Ogden, Utah
Posts: 290
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Jim,
Thanks for the tip. How's the temps in Michigan. Brrrrrrrrrrrr  I'm originally from Battle Creek but don't let that get around. I actually miss Michigan sometimes. The salmon and steelhead fishing and the fall colors. But the mountains out here make up for it.
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72 Chevy SWB Custom Deluxe K10, 350/SM465, PS, PB, Fact. Air 2000 Harley...Wide Glide |
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