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09-28-2018, 05:11 PM | #1 |
Senior Member
Join Date: Mar 2011
Location: Overland Park, Ks
Posts: 559
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oil gauge
my oil gauge for my 56 merc isn't working it measures 41 ohms across terminals unhooked, from the sending it shows ground, changed sending unit it shows grd, with external gauge it works fine, the dash gauge when switch is turned it goes to max start engine it goes slowly to 0. any ideas???
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09-28-2018, 06:13 PM | #2 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,436
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Re: oil gauge
It seem like there were different systems on different models in 56. Some had gauges and some had the warning lights. The senders aren't compatible between the two. The gauge can be tested with variable voltage power supply applied but I don't know what the specs are without the book. If I recall correctly, the sender would have a capacitor attached on those but my memory isn't what it used to be.
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09-28-2018, 07:07 PM | #3 |
Senior Member
Join Date: May 2010
Location: Star, MS
Posts: 4,024
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Re: oil gauge
If I read you correctly, you have a separate aftermarket electrical gauge and are using the sender for the aftermarket gauge with the the factory gauge. If so, the aftermarket sender probably isn't compatible with your factory gauge.
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09-29-2018, 12:41 AM | #4 | |
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Join Date: Aug 2012
Location: IN A 'GALAXIE' FAR FAR AWAY
Posts: 6,475
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Re: oil gauge
Quote:
YOU'RE GOOD! I read completely over the aftermarket sender.
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10-03-2018, 12:43 PM | #5 |
Senior Member
Join Date: Mar 2011
Location: Overland Park, Ks
Posts: 559
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Re: oil gauge
Found out the sending unit for a merc is different than ford, got sending unit from Classic Mercury
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10-03-2018, 06:12 PM | #6 | |
Senior Member
Join Date: Aug 2012
Location: IN A 'GALAXIE' FAR FAR AWAY
Posts: 6,475
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Re: oil gauge
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Quote:
Do you have a MERC PN?
__________________
***** - WHY IS IT ... - ... that everything you buy in the grocery store is either wrapped in or contained in plastic but the government doesn't want you to carry it out in a plastic bag? WONDERING IN W(BY GOD)V ...
DIAGNOSED CDO - (OCD In Correct Alphabetical Order) |
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10-07-2018, 02:02 PM | #7 |
Senior Member
Join Date: Mar 2011
Location: Overland Park, Ks
Posts: 559
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Re: oil gauge
when I get the part I will post
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