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J-Herkel's latest activity
J-Herkel
reacted to
rockola1971's post
in the thread
07 LT 5.3L Sudden no start/crank
with
Like
.
Scanner will be practically useless for this failure other than to see input and output state of BCM and PCM. Need to ohm that ground...
Monday at 5:01 AM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
Thank you. I have a friend coming over tomorrow with an advanced scanner to see if it comes up with anything. I'll keep you updated and...
Sunday at 6:54 PM
J-Herkel
reacted to
mikez71's post
in the thread
07 LT 5.3L Sudden no start/crank
with
Like
.
It's not comms with the BCM, it's just the ignition/key start signal. 12V. and the yellow wire is the starter relay trigger signal.. The...
Sunday at 6:53 PM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
I've tried N. Wiggling it while cranking, just took the ignition switch off and wiggled it while cranking. Stepping ******* the brake...
Sunday at 2:41 PM
J-Herkel
reacted to
Doubeleive's post
in the thread
07 LT 5.3L Sudden no start/crank
with
Like
.
is the shift indicator showing it is in PARK?, try moving it to neutral that could be another reason for no start
Sunday at 2:39 PM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
Wouldn't it throw a code if it lost coms with the BCM?
Sunday at 2:12 PM
J-Herkel
reacted to
mikez71's post
in the thread
07 LT 5.3L Sudden no start/crank
with
Like
.
You need to have power on the pink wire from ignition switch (J1-14 on the BCM connector) J1-21 is just accessory power, J1-14 is the...
Sunday at 2:11 PM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
Yes, just accessories. It jumps to 12v when the key is being turned to the crank position.
Sunday at 2:10 PM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
So the Fuse you mentioned is good. I went as far as taking the entire Fuse box out and apart to inspect it all and there is no...
Sunday at 1:19 PM
J-Herkel
reacted to
rockola1971's post
in the thread
07 LT 5.3L Sudden no start/crank
with
Like
.
Im on it! :head3:
Sunday at 8:27 AM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
Thank you for detailed breakdown. That's great info! I will check all of that today and get back with you. Amd as far as jumping the...
Sunday at 8:26 AM
J-Herkel
reacted to
rockola1971's post
in the thread
07 LT 5.3L Sudden no start/crank
with
Like
.
Im not quite sure what you jumpered in the ignition relay whether it be the control side or the controlled side. Im assuming you jumped...
Sunday at 8:25 AM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
Thank you! ill see if i can trace some of those wires.
Saturday at 8:33 PM
J-Herkel
reacted to
mikez71's post
in the thread
07 LT 5.3L Sudden no start/crank
with
Like
.
It looks like ignition switch signals BCM through a PINK wire (J1-14) BCM sends relay signal through YELLOW wire (J4-21) Some...
Saturday at 8:33 PM
J-Herkel
replied to the thread
07 LT 5.3L Sudden no start/crank
.
I did. No luck. The problem is somewhere before the relay.
Saturday at 7:49 PM
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