IA 1973-77 pulse/delay wiper conversion kit

[gmachinz]

The 78-83 kits are plug and play for your truck however you also need to use the 78-up firewall wiper connections too in the appropriate cavities. So, if you want to do it on a budget, simply find an engine bulkhead in the junkyard from any 78-83 truck, cut all leads except the wiper ones-then swap the wiper leads into your bulkhead. Or, I offer a conversion kit as the one listed and/or I have a few NOS GM delay switches and NOS delay/pulse modules too but the NOS stuff is not cheap.