 Changed my Question need info on how to test a oil temp sender., See the 5th post. |
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| rick 918-S |
 Jul 30 2011, 06:22 PM
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#1
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Hey nice rack! -Celette  Group: Members Posts: 20,458 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region 
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I need to track down the wire for this sender on the bottom of the engine. I didn't see any open plugs on the engine harness or any place for a wire to pass through for this sender. (IMG:style_emoticons/default/confused24.gif) Photos would work great if you have them! (IMG:style_emoticons/default/biggrin.gif)
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| SirAndy |
Jul 30 2011, 07:25 PM
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#2
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Resident German Group: Admin Posts: 41,640 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(rick 918-S @ Jul 30 2011, 05:22 PM)  I need to track down the wire for this sender on the bottom of the engine. That's not stock ... My guess is it's a oil temp unit and someone didn't want to buy a factory taco plate. If that's the case, look for a green wire with a black stripe. It's part of the main harness from '73 onward and comes out of the main harness under the battery tray next to the engine shelf by the hell hole. From there it's supposed to run along the front side of the engine to the taco plate. (IMG:style_emoticons/default/bye1.gif) |
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| type47 |
Jul 30 2011, 07:31 PM
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#3
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Viermeister Group: Members Posts: 4,254 Joined: 7-August 03 From: Vienna, VA Member No.: 994 Region Association: MidAtlantic Region |
Looks like you have the taco plate too. It may be that the green/black Andy described is already connected... And I would have thought the one circled would be in place of the drain plug, not drilled and tapped in the sump plate.
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| rick 918-S |
Jul 30 2011, 09:25 PM
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#4
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Hey nice rack! -Celette Group: Members Posts: 20,458 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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Ya, I have the taco plate wire connected. I couldn't figure out (IMG:style_emoticons/default/WTF.gif) this sender was. It must be some Rube Goldberg device. Unless the taco plate sender is bad and the DAPO rigged this one instead... (IMG:style_emoticons/default/screwy.gif)
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| rick 918-S |
Jul 30 2011, 09:31 PM
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#5
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Hey nice rack! -Celette Group: Members Posts: 20,458 Joined: 30-December 02 From: Now in Superior WI Member No.: 43 Region Association: Northstar Region
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Ok, I'm changing the question.
Anyone know how to test the oil temp sender in the taco plate? I'm starting a fresh engine and considering the wierd add on sender shown above would like to know if the factory sender is working before I over heat the engine. |
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| Mike Bellis |
Jul 31 2011, 12:50 AM
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#6
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Resident Electrician Group: Members Posts: 8,345 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None
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The correct way to test is out of the car. Pot of hot water, thermometer and an ohm meter. Take resistance cold and every 10 degrees up to boiling. Make a graph and match the range to the gauge.
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| 76-914 |
Jul 31 2011, 07:44 AM
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#7
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,502 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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Heat it however but,,,,, Grnd to gage, grnd to sender body, then grnd to Bat......... On the positive side..........+ from bat to + on the gage and S from gage to sender post. (IMG:style_emoticons/default/beerchug.gif)
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| type47 |
Jul 31 2011, 02:08 PM
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#8
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Viermeister Group: Members Posts: 4,254 Joined: 7-August 03 From: Vienna, VA Member No.: 994 Region Association: MidAtlantic Region |
 Probably best to remove and measure with different temps as stated above, but a measurement installed could tell if the sender is OK. I just swapped senders recently so they do go bad. Problem is, not a huge problem, but accessing the spade terminal with the cover in place. To remove the cover to get to the terminal, you have to remove the 2 - 6mm bolts which hold the base plate in place. If the base plate slips or gets bumped, it could dump the whole crankcase of oil. |
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