1984-1989 IC U9 EPROM PROM ROM Clear

1984-1989 IC U9 EPROM PROM ROM ClearIt is common for power supply failures and 24V jump starts to damage the factory IC U9. When U9 dies, the cluster doesn't boot, resulting in a flashing approximately every 0. 5 1. 0 seconds. If there's a short on the 5V rail, or if your U9 IC gets hot to the touch, this probably needs to be replaced. This is a new replacement for the factory ROM, referred to as U9 on the schematic. This product is manufactured by batee. com! Factory Schematic can be

17: Unused

The (auto) transmission won't go into Overdrive

July 2022 Update:  It is no longer necessary to purchase a faceplate to complete these repairs

Extreme conditions and improper assembly can damage these blocks

1 - 330uF Electrolytic Capacitor (PS Board)

we learned that the test cable doesn't last forever

34 pin connector housing

but if yours looks like the one below

It's common for the electrical switches in the 986/996 key to fail

so you can send a "Hero Photo" of the working cluster to the customer as proof of repairs

You see physical damage to the components of the power supply

The kit also includes a supply of the correct solder used in the digital cluster