Question about 2000 Pontiac Bonneville

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Wiring black wire from oil sending unit runs half way to computer where does it go someone has deleted other end have tore harness apart seem to be cut and removed

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  • Pontiac Master
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The black wire connects to the sensor return (EDP) terminal of the PCM

Posted on May 05, 2013


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: i accidentally cut my factory wiring harness what do i do


Posted on Nov 21, 2008

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SOURCE: 2003 Pontiac Sunfire Right Headlights Dim

remove washer bootle assembly connection to main harnes on left side one 10 mm bolt on fram below rad hose remove both head light aasemblys and grill the can remove harness i have seen them break all across harness under tape etc.

Posted on Jan 03, 2009

  • 8 Answers

SOURCE: We are replacing the fuel filter in a 98 pontiac

Assuming you mean replacing the fuel PUMP, the 2 wires are different guages. Connect the lighter wire to the lighter wire and the heavier wire to the heavier wire. If the new harness uses both the same size wires, the heavier wire on the vehicle side (solid black) is for the fuel pump ground. Lighter wire is for fuel guage sending unit.

Posted on Sep 21, 2009

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SOURCE: i was driving my 86 2.8 fiero a couple of months

it almost sounds as if the cpu in the car was damaged do you have a lotus tester i doupt this is the problem put check your fuses also

Posted on Nov 19, 2009

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SOURCE: I tried to install a new head unit it. cut the

First lets start by disconnecting the battery. Then go through each wire you reconnected. I'm not sure what process you took to connect them. Taping, wire caps, etc.... Anyway make sure these wires are connected firmly then move on. If you got a spark I could see there being a blown fuse somewhere. From what I read you are saying there is not burnt fuses, but I'm not sure if that is what you meant to say. If this is the case you could have a bad wire. If the fuses are fine and make sure you thoroughly check them for any problems. Could be a very small imperfection causing the lost of connection. Next move onto to testing the wiring. Reconnect the battery if you have made sure all wires are safely connected and fuse is back in panel. Take the wire tester and find the ignition and constant wire. When the key is on both of these wires should be lit up. When you turn the car off, one of these wire should be off. This will indicate that you have proper electrical going to the unit. After getting through all that, check the ground wire. If this is bad you get not life from the unit. There is a lot here, but it could be a couple things causing this for you. Hope this helps and good luck!!

Posted on Nov 28, 2009

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Generators. a dog chewed wires on the oil fill side from the harness on my powermate 5700 7125 pm0675700 serial # f24001422b. i need a color coded wire chart to reconnect wires. s

Why not order a new harness here is manual with parts list you can order harness from powermate directly

There is no wiring diagram in manual


if you send pictures of harness i may be able to help also the best way to figure this out is to get socket at other end of harness loose if possible and inspect this end to get wiring pattern for other end of harness...send pics if not sure

Dec 30, 2017 | Cars & Trucks

1 Answer

Color wire diagram for 2002 grand jeep cherokee oil sending unit plug

first off , the the book is free.
posted here 100s of times, endless....
here one more time.
chapter 8w covers all that. on all.GC.
WJ jeep that is.

oil sender of what, engine or trans.>>>>?????

it really is , all there.

free as a bird.. RTM !

Nov 24, 2015 | 2002 Jeep Grand Cherokee Limited

1 Answer

How do I fix my gas gauge in my 1989 ford crown Victoria ltd?

Nine times out of ten, it is the sending unit in the tank that is the problem. To check, use a sort jumper wire to ground the gas gauge wire to the frame while watching the gauge needle on the dash, with the key in on position.

Find the gas tank electrical connector by the tank. Pull it apart, and on the harness side of the connector, locate the wire going to the sending unit. I don't know what color it is, but the fuel pump wire is a pink wire with black stripe and there is a black wire for the ground. The other wire should be for the dash gauge's sending unit. Have a helper turn the key to on and watch the gas gauge for any perceptible movement while you use the jumper wire, insert one end into the terminal for the gauge's sending unit wire (this is on the harness side of the connector, not the gas tank side), and touch the other end to the car frame-you are grounding it. If the dash gauge is good, the needle should move a lot, usually will move more than half way, one way or the other. So if it does, you know the dash gauge is good, and the problem is in the sending unit.

If it is the sending unit, it is quite a job to drop the tank, pull it out from under the car, then pull the fuel pump and sending unit out. You might be fighting a lot of rust on an '89-get some penetrating oil. And look for the removal procedure in a repair manual. It's not terribly difficult if you are handy with tools...and like to get dirty. Those hoses on the tank have been stuck on there a long time. Good luck.

Sep 15, 2014 | 1989 Ford Crown Victoria

1 Answer


Take the sending unit back, either you truly have high oil pressure and you blow the oil filter or the sending unit is shorting together with power,or the harness has rub through together, either way get another part under warranty and go from there,and be careful how you install the unit

Nov 09, 2012 | Cars & Trucks

1 Answer

1990 Chevy 1/2 ton 4/4 truck with auto and 350v8. wiper problems

to whom it may concern, you cant used the harness of 1989 model to 1990 model chevy truck, even the sockets are the same a,b,c,d, thers a big different on wire distribution from the ecu. it better that you find harness on the same model, or if you still not yet finish that problem i will gave you the 1990 ecu diagram on live chat or contact me @ my ym

Jul 11, 2010 | 1990 Chevrolet C1500

2 Answers

Location of oil sending unit? on a 1990 ford ranger with a 2.3l

Drivers side about 3" from the back about 2" from the oil pan. Will have a single black wire leading from it to the wire harness
Hope this helps
Please leave feedback Thanks

Dec 24, 2009 | 1990 Ford Ranger SuperCab

1 Answer

Replaced fuel pump, pump wiring harness, fuel

Fuel Pump RELAY & FUSE CHECKED & DO you Have POWER "TO" Fuel Pump ? ALSO OIL Sending Unit Supplys the GROUND To Fuel Pump , This is A Saftey FEATURE that Shuts Down Fuel If ENGINE Looses OIL PRESSURE . And If This OIL Sending Unit or also Called (OIL PRESSURE SENSOR) << If It FAILS it WILL Cause What Seems Like A Fue Pump Problem But Is Rally Just The Sensor that is BAD. HOPE this Sheds Light on Your Problem !

Sep 30, 2009 | 1994 Buick Roadmaster

1 Answer

My wife and Step son, did me a favor, and changed the plugs in my truck. Now my oil pressure gauge is reading above half at idle and pegs out at 1500rpm. Did the pressure switch go out or could it be a...

The sensor has gone bad, it's common since the housing is made of metal and the center is made of plastic. IF you go to Auto Zone they will have the new oil sending unit and  can give you the step by step instruction to replacing it. You can check the wire harness on the oil sending unit to make sure it's has not come loose and not getting full contact first. Good luck and hope this helps. Take your cover off like you are changing your oil. If your feet are sticking out the front of the truck, it will be to the left of the oil filter location, but immediately. There will be a wire harness and a plug. You can't miss it if you use these crude directions.

Jun 27, 2009 | Nissan Titan Cars & Trucks

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