Two is better than one.

The Retro Rewind Dual Diag cart provides you with a double headed Commodore 64 cartridge for all your diagnostic needs.

With our cartridge you get:

  • 586220++ Diagnostics - Updated with proper Kernal and SX-64 detection.
  • 781220 Dead Test - The ultimate tool to diagnose your dead C64.

This cart is a perfect replacement for both the single C64 Diag and Dead Test cartridges.

Compatible with the Commodore 64, 64C, SX-64 and C128 (in 64 mode only).

Why not pair it up with our Full Test Harness?

Support and manuals can be found on our Support Wiki.

Write a review

Please login or register to review

C64 Dual Diag

  • Brand: Retro Rewind
  • Product Code: R-64-DDIAG
  • Availability: 2-3 Days
  • $38.00


Related Products

C64 Dead Test

C64 Dead Test

The C64 Dead Test Cartridge is the ultimate cartridge to test your Commodore 64/64C/SX-64 ROM and RA..

$22.00

C64/C128 Diag Harness

C64/C128 Diag Harness

The Diag Harness is the ultimate add-on to the Dual Diag, C64 Diag and C128 Diag cartridges (it..

$75.00

C64 Diag

C64 Diag

Now you can check all of the ICs, ROMs and I/O ports (I/O port checks requires a Full Test Harness) ..

$22.00

C64 Diag 4-in1 Diag Cart

C64 Diag 4-in1 Diag Cart

Introducing the C64 Diag 4-in-1, the Ultimate Diagnostic cartridge for your Commodore 64.One cartrid..

$47.00

Commodore 8bit Keyboard Tester

Commodore 8bit Keyboard Tester

The Commodore 8bit Keyboard Tester can measure the resistance of every key of 8bit Commodore keyboar..

$22.00