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We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features. Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.
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Welcome To Mopar1973Man.Com LLC
We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features. Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.
Well Gang... Timbo gave me a Timbo APPS sensor to install on my truck and try out. So I'll tell this much its built much better than the factory $400 dollar APPS is! I will say it exhaust brake and high idle ready. This APPS sensor has no effect on these options and will continue to work as usual.
What I love about the Timbo APPS sensor is the fact there is no longer a need to hit a particular voltage for the APPS to function correctly or probing the PCM or ECM sockets.. And for you Timbo you need some serious Props for coming up with a simple fix for our trucks! My hats off to you sir! 
But Here is my quick version write up of how to install a Timbo APPS sensor.
1. First you must remove the plastic cover over the bell-crank assembly. There is 2 plastic screws inside a expanding plug. You must remove the plastic screw without pushing against them. Kind of tricky but it can be done.
2. Then grab a 10mm socket and remove all 6 bolts holding the black plate to the mounting on the block....
3. Unplug the old APPS sensor.
4. Remove the 2 Torx screws holding the old APPS sensor. This part I kind fudge over Timbo idea and made it simple. I grab a pair of pilers grab the head of the screw and broke them loose then used a T20 bit to finish removing. This way there is no worry about stripping the heads out.
Notice the screw heads have tool marks...
5. Replace the APPS sensor with Timbo APPS sensor in the same position and line up the slot with the bell-crank tab. Use the supplied screw. Just before you finish tighten the screw turn the sensor fully clockwise to remove extra twisting slack.
6.Plug in the wiring and re-assemble the APPS sensor plate again with the 6 bolts.
7. Now adjust for slack. Use the supplied paper clip and insert it in the green port on the plug. Turn your key ON and look at the voltage. Now using the screw on the bell crank stop (one towards the front) adjust till the voltage rises the back off till you hit your original mark plus 1/2 turn. Since mine was .633 I turn till it rose and the backed off to .633 and then another 1/2 turn. Your all set!
8. Disconnect your batteries and do a APPS sensor reset.
http://mopar.mopar1973man.com/cummins/2ndgen24v/apps/apps.htm
Actual article with pictures here...
http://articles.mopar1973man.com/2nd-generation-24v-dodge-cummins/26-engine-systems/39-timbos-apps-installing