It is important to have wiring diagrams on hand. A person can get an ignition coil wiring diagram for a 1987 Dodge Ram 50 in the maintenance manual.
Color coded instructions on how the wiring should go in my pickup truck ignition
Most Ford truck dealerships will give you a free wiring diagram for your 1987 Ford 8000. The Ford 8000 service manuals will have the wiring diagram and can be found at most local libraries.
In a service manual at a dealer, parts store, or library.
how do i put a power steering pump on a 1987 dodge Dakota truck v6
The 1987 Nissan Pathfinder wiring diagram can be obtained from most Nissan dealerships. The wiring diagram can also be found at most auto-parts stores.
try this site http://www.modifiedlife.com/1987-honda-prelude-car-audio-wiring-diagram/
A complete wiring diagram from bumper two bumper
not on this site
autozone.com has wiring diagrams most public libraries have chiltons and or haynes manuals you can copy the pages you need for like 10 cents each