AWilson

Specifically, how can you tell the difference between 68 and 69 wiper door assemblies?

Does a 68 vacuum can work on a 69 set up?

Reason i ask is I have a wiper door assembly that is either 68 or 69 and I am not sure what I got.

DZRick

I've got a spare 68 assemnly if you need a picture to compare yours to.

The 68 actuator has a 1/4" rod while the 69 has a 5/16" , they do make a rod coupling so you can inner-change the 2 actuators.

Keep in mind too, that the early 69 used the 68 assembly.

Budman68

68 have squirters in the vents, the 69 have them on the wipers.

AWilson

Any other differences besides the actuator rod? The doors, linkages, hinges, etc?

DZRick

I think I read that there are more support brackets on the 69up. I'll have to take a look at my 68 and my brothers 69 in the moring to verify this and see if I can see any other differences.

Budman is correct about the squirters but you can use either squirter setup on whatever year wiper door assembly (68-72)

68/70Vette

The 69 door assembly has an vacuum switch for the windsheild wiper door system that the 68's don't have. The 69 squirters were on the windshield arms, the 68 squirters were attached to the underside of the wiper assembly door.

The 68 and early 69, had "coffee can" vacuum actuators, and the later 69 and up cars had an actuator that looks like two little pie pans joined together. These two different style actuators attach to the firewall with different brackets. Also as said above, the actuators have different threads/rod sizes on the actuator rod that pushes/pulls the door open/shut.

sweethence

sounds like you guys covered it

The only thing I would add as a minor point is the 68 uses a micro switch tied into the wiring harness with a metal arm connecetd to the wiper door to engage it, to tell the wiper motor when the door is fully opened

AWilson

Thanks for all the info. So the actual mounting brackets/hinges are the same for both years? I will take some pictures and post, maybe this evening.

AWilson

Thanks for the info. See the pictures below. I think I am ok and my parts are 68.

1Fordman

I have both the 68 and 69 linkages. The only difference these old eyes could see was the 69 has 2 additional brackets (one on each side) that bolts to the cowl for additional support and the 68 has a 1/4" rod for the actuator and the 69 has a 5/16's rod. I'm using the 69 linkage on my 68.

cosquare

The vacumn actuator is definitely from a '68. Matches the unit in my Vett built in early April,68.

cosquare

Who sells the rod coupling??