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Voltmeter/APPS Help


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I'm not good with wiring/volts etc. I'm trying to install a Timbo APPS and I can't seem to get things right. My battery tester works, but only has a range of 4v-19v (first picture) so it's out of range for the APPS. I just bought a another voltmeter and I can't even get it to read the battery volts...do I have things plugged in the right areas? According to the directions I should hvae the leads in the right areas and setting at 200 or 500 for the battery and I'm still getting nothing!

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P0122. APPS is reading .2, it should be reading .580 to .7...and I just stripped out the idle stop screw...any suggestions on getting that head out, T20 torx?

 

No. You want to read this...

http://articles.mopar1973man.com/2nd-generation-24v-dodge-cummins/26-engine-systems/37-apps-sensor-voltage-adjustment

 

Just swapped out the Timbo APPS for my original and it's reading .570. Is it safe to say I have a defective Timbo APPS?

 

Timbo's APPS doesn't have a set voltage since its all mechanical switch now.

 

As from the link above the OE APPS is design to sense a voltage toggle from idle to throttling. When in idle mode the voltage is not used any more only the ECM software is used to set idle so as long as a OE APPS is BELOW the tag voltage your golden.

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