Question about Oldsmobile Cutlass Calais

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I was clean under the hood found alot of wiring

I was cleaning under the hood found alot of wiring harness not connected and some wires cut. i need to get a free wiring diagram for a 1984 cutlass calais. or tell me what colors go where. thanks

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You can go to autozonecom and register for full free online repair manual with all the diagrams you could need. Along with everything else you could need.

Posted on Nov 18, 2009

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Clicking usually indicates low charge on battery, but it can also be the contacts from the battery to the engine and frame. Check the cables to see if they are not making good contact or corroded--if you are a DIY enthusiast change the battery cables or get a metal-wire brush & wrenches & clean everywhere they connect.

Another preliminary task is to do a wiggle test--wiggle all the wiring you can see under the hood & try restarting to see if there's an intermittant wiring or harness connection problem with anything under the hood. Honda Pilots have problems like this with the main wiring harness.

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Not sure if you've solved your problem but I do have the answer. Also you failed to state that your vehicle will not go into drive because of this warning, which is generally the situation. When the drain ports under the hood clog, moisture runs down under the rug on the interior causing the wiring harness connectors on both sides of your vehicle to corrode. You need to remove the kick plates that cover the rug. Pry the rug away to expose a plastic shroud that covers the harness, just in front of each front seat on the floor. At this time you'll probably notice how wet the rug and it's foam backing is. Dry this out with towels and a hair dryer. Remove the harness cover. You'll see a clear plastic cover and a harness which looks like it's covered in electrical tape. Unwind the tape. This will expose the harness and connectors. If I can remember correctly, there is three connectors on each side, driver's and passenger's. See how corroded they are. Some maybe broken off. Cut back and clean these wires. Before connecting them, use a fine sand paper to clean the wires. Make sure these connectors are facing up and now cover them better than Porsche did. I used electrical tape and plastic wrap, followed by black plastic pull ties. The drain hoses, terminate under the vehicle, just in front of both doors. You'll also need to remove the plastic covers under the hood on both sides of the engine compartment beside the wipers. This will expose the firewall where the drains are generally full of debris like small sticks and rotting leaves. You'll save at least $2000 doing this yourself. Not knowing how to do this, it took me approx. 3 hrs. to do the job correctly. Good luck.

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You may have an engine wire harness that has the wiing insulation decomposing causing wires to short against each other. Peel open the plastic convolute and look for cracks in the insulation. Here is info on a Ford program to repair if less than 100,000 miles on your car.

October, 1999
All Ford and Lincoln-Mercury Dealers
Owner Notification Program 99M03 - Certain 1995-1997 Contour and Mystique vehicles - Under Hood Wire Harness - Additional Coverage.
This program provides extended coverage on certain under hood wire harnesses through 10 years or 100,000 miles which ever occurs first, from the original warranty start date. AFFECTED VEHICLES
Certain 1995 - 1997 Contour and Mystique vehicles built from Job #1 1995 through Model Year End 1997. REASON FOR RECALL
Under ambient factors of high temperature and high humidity, certain 1995 - 1997 Contour and Mystique vehicles may be susceptible to the wiring insulation becoming brittle and cracking on certain engine compartment wiring harnesses. These harnesses deliver electrical power to the engine and its cooling and control systems, the climate control, and other power distribution systems. If wire harness insulation cracking is found during the additional warranty period, the under hood wire harnesses are to be replaced at no charge to the customer. SERVICE ACTION
Additional Warranty Coverage
Effective immediately, Ford is providing additional coverage for the replacement of the under hood wire harnesses on these vehicles for a period of 10 years or 100,000 miles, which ever occurs first, from the original warranty start date. This coverage exceeds the provisions of the original component warranty coverage on the affected vehicles and is automatically transferred to subsequent owners at no charge. This additional coverage does not include normal service diagnostic or repair charges unrelated to wire harness brittleness and cracking. After this additional coverage has expired, wire harness replacements will be at the expense of the vehicle owner.


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