1977 cadillac coupe deville wiring diagram in color

Go on line and buy a manual for the car. That is the only place you will find it, if it exist. GM's diagrams were in black and white up until the 70's, I'm not sure what year they changed it, but I believe they were in color by that year.

Repair manual, your library may have. Sometimes Google images will have diagrams, or photos. DIYer? you may need a repair manual in the future anyway. Your favorite auto parts store should have. (easy to refer to) also.

The wiring diagram shows the wiring color code, Power rating and connector plug used. The wiring diagram explains the vehicle's electrical connections with color code. It's a bit complicated to understand.

The diagram should be in the engine sticker on the hood good luck hope this helps

replce the power module located under hood on pass side of hvac case two screws one ground wire and one connector

from the factory service manual radio diagrams.

1994 Cadillac Deville Sedan Car Radio Wiring Guide

Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: Pink
Car Audio Front Speakers Size: 4′ x 6′
Car Audio Front Speakers Location: Dash
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

Truely I am not trying to blow-off you and your question but, based upon the sheer number of pages (at least 20-pages or more) that would have to written under this forum, I strongly suggest you go to alldatadiy.com for the most complete lighting component locations and wiring diagrams. It covers the fuses, wiring identification diagrams, relays, ground locations, and splice locations. It is about $25 for a 12-month subscription. They have the most extensive wiring and location diagrams I have seen anywhere. That is where I go with my questions for this subject. That site is also filled with everything you wanted to know about your entire vehicle - bumper to bumper.
Let me know if this helped, or if you have additional questions or information. Feel free to contact me at FixYa.com.

its under where the top raidiator hose connects to the engine 2 bolts 1 bracket and take the top hose off

Review this guide as reference; this Electrical Schematic Diagram applies for 1994 Accord Coupe series of model. Here you will find complete explanation about electrical system of the vehicle. Started from Troubleshooting (tips and precautions) on handling the electrical system, in this manual you will be guided step by step examining each electrical component installed and its connection for example in Wire Harness and Ground Location, started from Engine Compartment, wiring harness is shown from engine ground cable, starter cable, and battery ground cable.

These 359 pages of pdf.fieltype manual is divided into some sections which are Wire Color Code, Relay and Control Unit Location, Wire Harness and Ground Location, Air Conditioning System Circuit, Anti-lock Brake System, Battery, Blower Control, Charging System, Cruise Control, Fan Control, Fuel Pump, Fuses, Ground Distribution, Heater Control, Ignition System Control, Lighting System, and etc.
Download the complete 1994 Accord Coupe Electrical Schematic Diagram here.

You can also find complete workshop manual of 1994 Accord Coupe here.

Pass: freepdfmanual.com

Good luck.