1987 Comanche Electrical Troubleshooting manual (full)

[Turbotyler]

I haven't found this anywhere on the forum, so if it is already here, feel free to delete this post.

 

I hope this information will come in handy to someone else. I bought it to help out with any electrical wiring issues I come across as I am fixing my 87. If there are any issues with any of the diagrams, please let me know. The pictures are all clear on my end, and the words are legible. 

 

Front Cover

 

 

 

Page 1 : Index

 

 

 

Page 1 continued : Introduction

 

 

Page 2 : Power distribution  - Diesel

 

 

Page 3 : Power distribution - 2.5L

 

 

Page 4 : Power distribution - 4.0L

 

 

Page 5 : Ground distribution - Diesel

 

 

Page 6 : Ground distribution - 2.5L

 

 

Page 7 : Ground distribution - 4.0L

 

 

Page 8 : Starter - 2.5L/4.0L

 

 

Page 9 : Engine, Starter, and Fuel Controls - Diesel

 

 

Page 10 : Engine and Fuel Controls - 2.5L

 

 

Page 11 : Engine and Fuel Controls - 2.5L - Continued

 

 

Page 12 : Engine and Fuel Controls - 4.0L 

 

 

Page 13 : Engine and Fuel Controls - 4.0L - Continued

 

 

Page 14 : Charging System

 

 

Page 15 : Cruise Control

 

 

Page 16 : Heater - Diesel

 

 

Page 17 : Heater and Air Conditioning - 2.5L

 

 

Page 18 : Heater and Air Conditioning - 4.0L

 

 

 

Page 19 : Heater and Air Conditioning - 4.0L - Continued

 

 

Page 20 : Air Conditioning - Diesel

 

 

Page 21 : 4 Speed Transmission Controls - 2.5L

 

 

 

Page 22 : 4 Speed Transmission Controls - 4.0L

 

 

Page 23 : Interior Lights - Cherokee/Wagoneer

 

 

Page 24 : Interior Lights - Comanche

 

 

Page 25 : Instrument Cluster/Indicators - Comanche

 

 

Page 26 : Instrument Cluster

 

 

Page 27 : Instrument Cluster/Indicators - Cherokee/Wagoneer

 

 

Page 28 : Inline Connector Views

 

 

Page 29 : Inline Connector Views - Continued

 

 

Page 30 : Component Connector Views

 

 

Page 31 : Component Connector Views - Continued

 

 

Page 32 : Component Connector Views - Continued

 

 

Rear Cover 

 

 

[Pete M]

  that's some dedication right there.  thanks!   

 

added to the list

[Turbotyler]

7 hours ago, Pete M said:

  that's some dedication right there.  thanks!   

 

added to the list

 

This is awesome to hear! Glad I could help out!

[Jeep Driver]

This is available here in PDF. 

It's been posted numerous times, I have it downloaded. 

[HOrnbrod]

1987 Electrical manual download available HERE.

[Ωhm]

1987 includes the Engine and Fuel Controls for the diesel. Plus other diesel stuff.

[Turbotyler]

I apologize for adding it again. When I was looking for it, I could never find it. 

[Ωhm]

On 3/24/2018 at 10:47 AM, Ωhm said:

1987 includes the Engine and Fuel Controls for the diesel. Plus other diesel stuff.

 

You didn't add it again. Your 1987 electrical manual has new information in it. NOTE: 4.0L engine control has no ballast, no O2 sensor WOT bypass, plus diesel stuff. Should be saved somewhere for easy access.

[Yellowoctupus]

FYI, If one wants to download the FULL SIZE photos from this post, (directions for Chrome browser users):  

1. Click on the photo you want (or right click, Open in New Tab)

2. flickr.com will open with the photo selected

3. in Chrome, go to settings, more tools, developer tools (or the keyboard shortcut is CTRL+SHIFT+I)

4. Select the 'Network Activity" tab

5. hover over the photo, you'll get a magnifying glass, click to magnify

6. Now, under the network activity, you can sort by size, and you'll see one that ends in a .jpg. 

7. Rt click the .jpg line, open in new tab and it should be the FULL resolution version, which is MUCH larger than the one displayed on CC, or available on flickr to download. 

8. To get more photos, you can simply click the 'next photo' arrow in this album and repeat steps 5-7.

 

After I've gotten a few files, the list in the network activity panel gets long; you can sort by file size, which helps make more sense of the list.  This is a pretty valuable trick I've used periodically over the years.