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Author Topic: Fuel Gauge Question  (Read 3084 times)

Offline Jon87V20

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Fuel Gauge Question
« on: October 03, 2016, 08:00:42 pm »
Hello!

I have an '87 Suburban V20 that did not come with the factory-equipped tach. It's also a single fuel tank truck if that matters.

I'm wondering if anyone knows if the large fuel gauge that came with non-tachometer equipped trucks can use the same sending unit as the smaller fuel gauge that came with the tachometer-equipped trucks. Are they calibrated the same? Could I just plug and play a smaller fuel gauge with the same wiring as the large one, or would this read wrong?

I'm asking because I was considering putting an Autometer tach I have in the fuel gauge spot next to the speedo and moving to a smaller fuel gauge in the lower left unused spot by the other gauges.

Thanks!
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1987 Chevrolet Suburban V20 Silverado
350ci TBI TH400 NP208

Online bd

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Re: Fuel Gauge Question
« Reply #1 on: October 03, 2016, 08:58:37 pm »
Senders are electrically the same, 0 - 90 Ohms.  There is a difference in physical configuration, because of the in-tank fuel pump, but that should have no bearing on what you are doing.
« Last Edit: October 03, 2016, 09:01:25 pm by bd »
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Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)

Offline Jon87V20

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Re: Fuel Gauge Question
« Reply #2 on: October 04, 2016, 09:47:03 am »
Ok, great to know. Thanks, bd!
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1987 Chevrolet Suburban V20 Silverado
350ci TBI TH400 NP208
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