GMPP harness, lc9 5.3. No start. not getting a camshaft sensor count.
05-22-2016 | 06:44 PM
#1
Thread Starter
On The Tree
Joined: Oct 2004
Posts: 139
Likes: 1
From: Blaine, Mn
GMPP harness, lc9 5.3. No start. not getting a camshaft sensor count. What's the pinout on the cmp connector? And what voltage reading should I be getting from the orange wire, and the pink/ black wire?
05-22-2016 | 08:55 PM
#3
Don't need a cam sensor signal to start. It may crank longer but the PCM will figure out when to fire the plug and then it will run fine from then on until shut off. Then on the next start the PCM will figure it out again. Not saying you shouldn't figure out what is wrong with the cam sensor signal, but that is not the cause of your no start. It does have to set the cam sensor code though.
05-22-2016 | 09:09 PM
#4
Thread Starter
On The Tree
Joined: Oct 2004
Posts: 139
Likes: 1
From: Blaine, Mn
I'm getting crank sensor count though. No fuel pump after prime and no spark or injector pulse. Got my 58 psi pressure. While cranking should the map sensor reading change? It's not changing but reading 28.0 or something like that.