Chrysler Prowler gauges (in an LS1 equipped Prowler)

[Shannen Durphey]

A similar thread was covered a few months back.  A gentleman had asked
about gauge problems after installing an older computer in a newer
Dodge pickup, and a fairly good reply was given.  It should be in the
downloadable archives.
Shannen

Jason R. Haines wrote:
> 
> Does anyone have any experience working with the electronics system
> architecture used by Chrysler on the newer vehicles? We have installed an
> LS1 engine and Corvette rear suspension and AT transmission in a Prowler and
> we are having a problem getting the engine coolant temperature gauge to work
> (it only updates on key on).
> 
> We have left the Prowler body computer in the vehicle to control the dash,
> rear view mirror, windows etc. but the engine and transmission are
> controlled by a GM PCM. We installed Chrysler sensors for oil pressure and
> engine coolant temperature (in addition to the GM sensors) and feed this
> data into the Chrysler computer (like it normally would be). The oil
> pressure seems to work (although it seems to update very slowly). The ECT
> gauge seems to show the correct coolant temperature at key up but then does
> not update as the engine warms up (if you key off and then on, the new
> temperature is then displayed).
> 
> We would like to either find out what is keeping the system from updating
> the dash or just change the Chrysler gauge electronics to read directly from
> a standard GM sensor (not having to go through the Chrysler computer at
> all).
> 
> Anyone know of a company or individual that might be able to help us out
> with any of this?
> 
> Thanks,
> 
> Jason
> 
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