DSP5 install no start

[Houser04lly]

Just looking for some more suggestions.. installed DSP5 switch wired to the ECM
Didn't flash it just basically hooked up the switch and now it .just cranks and doesn't fire up cranks maybe 4 times and cuts off . It does say reduced engine power on the dash display . I checked all the ECM connections and everything looks as it did before I installed .. what am I missing I'm guessing its either bad battery connection which I ran out.of daylight yesterday .. or ECM connections .. thanks for any input..

 

[TDFDiesel]

Did you disconnect batteries before installing? Maybe popped a fuse. Check ALL your fuses.

 

[Houser04lly]

I did check all fuses going to check again in the day light when I get home .. thanks for the input I appreciate that

 

[wes06dmax]

Last LLY I fooled with did the same thing finally had to take a screw driver a touch the post on the starter, prime the fuel filter and she fired right up.

 

[Houser04lly]

That's weird I mean anything can happen

 

[Houser04lly]

I actually did get it to fire last night and when she did it def sounded and felt as if she weren't hitting all cylinders.. then it wouldn't fire again after that

 

[Houser04lly]

Also the middle connector on the ECM the black one wouldn't lock even with the lock slid back I.could pull it off by hand that's why I'm kinda thinking its an ECM issue I always run into stupid problems like this ..

 

[TDFDiesel]

Also the middle connector on the ECM the black one wouldn't lock even with the lock slid back I.could pull it off by hand that's why I'm kinda thinking its an ECM issue I always run into stupid problems like this ..

Are you sure the lock is re-installed right?

 

[Houser04lly]

I'm not sure now I will def double check

 

[MMLMM]

We had a truck do the same thing and it was the pink plastic lock causing it. We had to wiggle it in there just right then it fired up perfect.

 

[Houser04lly]

Ok thanks man I appreciate that ill keep posted

 

[Houser04lly]

Got it fired up stays running .. just no power .. im confused its primed and
it has new batteries ..

 

[Houser04lly]

Got the truck to run there's no boost and it keeps throwing pcm codes .. its def a bad connection at the ECM .. any thoughts ? Thanks for any suggestions I appreciate it .

 

[Houser04lly]

Top

 

[dmaxbowtie]

I've done one dsp5 On an lly with the same problems and the cause was that a few pins in the plug weren't "clicked" in all the way, hope this helps

 

[JoshH]

Since you said you have a plug that doesn't lock, I would start there.

 

[Houser04lly]

Damn that's alot .of wires to check . I looked at the clip and all the pins looked equal .. this is gonna be a tough one

 

[Houser04lly]

I greatly appreciate the help everyone ill keep posted

 

[TDFDiesel]

I would disconnect every ECM and TCM connector with the batteries disconnected. Then reconnect them, examine the locks to make sure they are right.

 

[Houser04lly]

The gray connector ECM is locked and all the pins were checked again .. but when I mess with the gray connector this is when I get any action at all out of the truck .. worst case I'm guess ill be needing new connectors.. what a mess that would be .. I'm going to check connectors again and again