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Kenworth K100C Club

This way to everything K100......

Photo AlbumJan 15, '09 12:04 AM
by Paul for everyone
Truck won't start ? What color was that wire before it burst into flames ?
.....here you'll find the answer. Kenworth wiring diagrams, air brake system piping and other useful period drawings and information for general maintenance use and a useful restoration resource.


'79 K100 Head:Tail Wiring #1.jpg
  

'79 K100 Antilock Wiring #10.jpg
  

'79 K100 Diff Lock Wiring #7.jpg
  

'79 K100 Fog Wiring #5.jpg
  

'79 K100 Heater:AC Wiring #6.jpg
  

'79 K100 Instrument Wiring #3.jpg
  

'79 K100 Int Lights:Fan Wiring #9.jpg
  

'79 K100 Jake Wiring #4.jpg
  

'79 K100 Radio Wiring #8.jpg
  

'79 K100 Shutdown Wiring.jpg
  

'79 K100 Turn:Stop Wiring #2.jpg
  

Bolt Torque Info.jpg
  

Shop Manual Air System #1.jpg
  

Shop Manual Air System #2.jpg
  

Shop Manual Air System #3.jpg
  

Shop Manual Charge:Crank #1.jpg
  

Shop Manual Charge:Crank #2.jpg
  

Shop Manual Charge:Crank #3.jpg
  

Shop Manual Wire Key #1.jpg
  

Shop Manual Wire Key #2.jpg
  

Shop Manual Wire Key #3.jpg
  

Shop Manual Wire Key #4.jpg
  

Shop Manual Wire Key #5.jpg
  

K100 Aero Circuit Breakers.jpg
 1 Comment 

K100 Shifter Plate Foam Seal.JPG
 1 Comment 

Torsion Bar Sus 1.jpg
  

Torsion Bar Sus 10.jpg
  

Torsion Bar Sus 11.jpg
  

Torsion Bar Sus 2.JPG
  

Torsion Bar Sus 3.jpg
  

Torsion Bar Sus 4.jpg
  

Torsion Bar Sus 5.jpg
  

Torsion Bar Sus 6.jpg
  

Torsion Bar Sus 7.jpg
  

Torsion Bar Sus 8.jpg
  

Torsion Bar Sus 9.jpg
  

Paul Cox Exhaust Details.jpg
 1 Comment 

Detroit Capture Tank.jpg
  

Walker Eng Capture Tank #1.jpg
  

Walker Eng Capture Tank #2.jpg
  

Truck Won't Start ?.JPG
 1 Comment 


32 CommentsChronological   Reverse   Threaded
deguitars wrote on Jan 15, '09
Nicely done Paul! Now where did I leave those wire strippers...

cheers,
David
kenworthk100 wrote on Jan 15, '09, edited on Jan 15, '09
Thanks David,
I figured no time like the present.
As a general note, even though the first set of drawings are dated 1979, the circuit wire numbers, colors and functions remained consistent through the years.
The wiring circuit designation listing is very useful if the number (located close to the terminated end) has long gone or smoked beyond recognition, the color coding chart will get you where you need to go.
.........so now there's no excuse why everything doesn't work on your trucks members !
Paul.
kenworthk100 wrote on Jan 15, '09
In answer to a few requests for dimensional details of a factory K100 shifter plate foam seal, here it is.

KW part #K207-455. A simple part that gets torn up relatively quickly with the air-ride cabs. KW want $60 for a piece of foam that is on the list for being discontinued, so off to the foam shop and sharpen your bread knife, make a couple while you're at it, keep one on the shelf. Even though it is just a simple foam piece, it is nice to have the original dimensions and an image to reference.

The seal is a 1 3/4" thick, 19" long, 7" wide medium density foam section with slightly rounded corners. It has a skin on the top surface and is adhesive on the underside . The hole for the stick seal is 5 1/4" diameter and inset 1 1/4" inches from the front edge. If you have that raised control assembly behind the shifter for your shut down, idle up pulls or other features, cut to accommodate.

2" thick foam will work fine and will be easier to find too. Don't worry if your replacement foam piece doesn't have the adhesive underside, I would suggest a few thin lines of silicon sealant to hold it in place - it will make cleaning up easier when the time comes to replace it again rather than spray adhesive.

Slice and dice away ! - Paul.
k100crazy wrote on Jan 15, '09
Hi Paul,
Perfect job! With an added bonus of air piping, just what I needed. Now I'll fill the printer with ink and get to work.
Thanks, Greg
v8detroit wrote on Jan 15, '09
trying to get a shop manual for year`s,great job thank`s for posting Paul.
kenworthk100 wrote on Jan 17, '09
Thanks everyone,
This section is getting a huge amount of visitors, I guess we've all got that unknown wire hanging behind the dash that we just won't sleep at night until we find out what it is. Well, not me, because I don't have a dash in mine at the moment....come to think of it, no roof, tunnel or doors either. Guess I better get back in the workshop.
Paul.
steve82c wrote on Jan 17, '09
This is perfect. I've got a few guages that aren't working.
v8detroit wrote on Jan 17, '09
thank`s Paul for adding capture tank,you would think they would fit them from new,great sounding engine but the drip`s are annoying ,cheer`s john.
Comment deleted.
Comment deleted.
dragisa wrote on Mar 18, '09
No more problem nicely done, Thank's Bobeb.
kenworthk100 wrote on Mar 19, '09
Hello Duke,
That's what we want to hear - the hiss of air brakes means success !
Paul.
skag03 wrote on Nov 3, '09
Ihave a 1972 kenworth k100c Iwas wondering if anybody had a manual on how to rewire this oldie I bought the truck for 500$ still with the original 335 cummins and 13 speed tranny.
skag03 wrote on Nov 3, '09
i am really glad to have found this website i really love all the nice kws on here you guys have some awesome trucks.i hope to have some pics of mine on here soon.right now i am trying to find parts. a lot of these trucks already been scrapped around here its sad.
skag03 wrote on Nov 4, '09
I have a 1972 k100c and its got a few wires taken out of the dash i was wondering if someone could help me with this problem. or if anybodys got a wiring diagram manual that i could buy to wire back up this oldie. please e-mail me danielfulton11@comcast.net thanks
kenworthk100 wrote on Dec 11, '09
Hi skag03,
I don't have any specific '72 KW wiring diagrams but generally the wiring code remained constant throughout the years - they just added things as required. The 'Shop Manual Wiring Key' listings above should tell you all you need to know. Every wire has a number printed on it near the connector - if the connector is burnt or has been replaced, the colour of wire can noted and found in the same wiring key documents.
Hope this helps.
Paul.
nzk124 wrote on Mar 7, '11
Great Site. I've just purchased a 1977 K124 so all this information is invaluable. However I tried to print the Shop Manual drawings and found the resolution too low to be able to read the numerous notes on the drawings? Have I goofed up somehow?
kenworthk100 wrote on Mar 10, '11
Hello nzk124,
Congratulations on your K124 and thanks for your kid words about the site. Regarding the printing of drawings, I'll print one out to check - these drawings were added a while ago and the site now has a better upload system...I may have to re-load these drawings with the higher resolution.
I plan on doing some site maintenance this weekend.
Thanks,
Paul.
fatcab79 wrote on Mar 14, '11
Paul,
Would it be possible to get the 28 page wiring and air manual emailed since the quality is low if printed off do to size????? I have a 79 and it was be great to have a readable copy of this manual.

Wade
oliver8498 wrote on May 25, '11
Could I get this e-mailed to me I cant read them when I save them, they are to blurry. jerrod@crousecustomizing.com
kenworthk100 wrote on May 27, '11
Hi everyone,
I have uploaded revised copies of all the wiring diagrams using the highest resolution the site will allow. The originals are not that defined and therefore there may still be some grey areas...if I can get better originals I will replace them.
To print these I would recommend clicking on a diagram, then select 'Slideshow' drag this image onto your desktop and it will transfer as a .jpg file for you to print.
Hope this helps.
Paul.
oliver8498 wrote on May 28, '11
Thank You very much Paul it worked awsome.....
rokwiz wrote on Oct 28, '11
Hi Paul, and everyone,
Just bought my K125 and love this website. Thanks so much for all the uploaded shop manual pages..... brilliant.
Thanks again Geoff
jtippett wrote on Oct 30, '11
tryin to gt the wiring for 83 k100 stereo, if any one can help it would b great, or email me a copy to jtippett@live.com
kenworthk100 wrote on Jan 10
Hi everyone,
oliver8498 - Happy it worked for you.
Geoff - Welcome and glad these pages are helpful to you.
jtippett - There's a diagram here for the radio ('79 K100 Radio Wiring #8.jpg), the wiring didn't change really so don't worry about the 1979-specific drawings, they'll work for most years of the C-series.
Paul.

kenworthk100 wrote on Jan 10
Just posted - Steering column circuit breaker layouts.
Should be useful - details breaker amperage, circuit and wire numbers. There will be some differences in physical location between some trucks though tracing via wire colour & number should get you out of trouble.
Paul.
rokwiz wrote on Feb 17
Hi, Paul
Was wondering how i can upload KW torsion bar suspension information for this site. I think it would be very helpful for other guys to use.
Geoff
kenworthk100 wrote on Feb 18
Hi Geoff,
With Multiply only the creator of an album can upload to it. I would be happy to add it to the Shop Manual section. Please email me at pjc56@earthlink.net with any good quality scans and I'll upload them.
Thanks, much appreciated.
Paul.
kenworthk100 wrote on Mar 25
Just Posted - Twin Exhaust Piping Parts List - I've had a few messages from members asking what exhaust components I used for fabricating my system...here's a breakdown of the parts I used, all Dynaflex part numbers and there's a fair amount of slicing, dicing & welding though well worth the hard work.
jtippett wrote on Mar 25
Anyone looking fr a k100 gt ahold of me, got am 83 k100
k100fun wrote on Apr 1
I need to see how to install a cab jack on a 81 k100 day cab. All I have are hoses on the ground. I don't know the location of the jack. Thanks
k100fun wrote on Apr 1
I should add that the truck is about 500 miles from home. The ultimate goal is to bring it home. I need to obtain a jack and learn how to install it before I make the trip to get the truck. Thanks
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