This adapter harness lets an existing Programmable-7 harness be reused to install the Power Grid System with minimal changes. It is a direct plug-in for all existing wires, though two new wires will need to be run if the two additional Power Grid inputs are desired.
Specifications:
- Category: Ignition
- Part Type: Ignition Harness
- Product Type: Harness
- Compatibility: MSD PN 7730 Power Grid to Digital-7 Programmable 12-pin harness
- Part Number: 7789
FAQ
What does this harness adapter do?
It allows an existing Digital-7 Programmable 12-pin harness to be reused when installing the Power Grid System, PN 7730.
Is it a direct plug-in?
Yes, for all existing wires. Two new wires must be run separately if the additional Power Grid inputs are needed.
Does it require rewiring the whole system?
No, it's designed to minimize changes to the existing harness.

