Good morning,
When you try to start it does the theft or security light come on and go off after about 10 seconds? It could be a security issue.
https://www.2carpros.com/articles/how-to-reset-a-security-system
Are there any codes set in the system?
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
The small arc is normal. Sensors will not fail an ECM at all.
Did you have the ECM flashed to your VIN number prior to installation?
a common issue is the power module or the TIPM. That is the fuse box and is very common for this issue.
Roy
REMOVAL
1. Disconnect the negative and positive battery cables.
2. Remove the battery thermal guard.
3. Remove the battery.
Integrated Power Module
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4. Using a flat-bladed screwdriver, twist the Integrated Power Module (IPM) bracket retaining latch outward to free the IPM from its mounting bracket
Disconnecting IPM
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5. Rotate the IPM counter-clockwise to access and disconnect the electrical connectors.
6. Remove the IPM bracket clips from the hinge.
INSTALLATION
1. Snap the left side of the Integrated Power Module (IPM) housing in its mounting bracket and connect the various electrical connectors.
NOTE: Ensure that the Connector Positive Assurance (CPA) on the five-pin B+ connector is positively engaged to prevent generating a Diagnostic Trouble Code (DTC).
2. Rotate the IPM clock-wise until secured in mounting bracket. An audible click may be heard.
3. Install the battery.
4. Install the battery thermal guard.
5. Connect the negative and positive battery cables.
6. Using a scan tool, check for any stored diagnostic trouble codes. Ensure that all vehicle options are operational.
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Thursday, April 2nd, 2020 AT 4:48 AM