Youngblood1989
Junior Member
- Joined
- Jan 20, 2026
- Posts
- 12
- Reaction score
- 33
- Location
- Michigan
- First Name
- Chris
- Truck Year
- 1980
- Truck Model
- C30
- Engine Size
- 305
Black box under steering column
- Thread starter Youngblood1989
- Start date
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gmbellew
Full Access Member
- Joined
- May 27, 2018
- Posts
- 1,567
- Reaction score
- 1,807
- Location
- Kansas city
- First Name
- glen
- Truck Year
- 1990
- Truck Model
- suburban 1500
- Engine Size
- 350
wiper delay module? although it should have a big aluminum heat sink on it.
squaredeal91
Full Access Member
- Joined
- Mar 10, 2023
- Posts
- 3,119
- Reaction score
- 5,891
- Location
- Cave junction Oregon
- First Name
- Greg bush
- Truck Year
- 1991 SB
- Truck Model
- K30
- Engine Size
- 5.9 Cummins 12 valve
Ditto. Pulse wiper box.
But yes they usually have an aluminum heat sink
But yes they usually have an aluminum heat sink
- Joined
- Aug 3, 2010
- Posts
- 35,117
- Reaction score
- 43,683
- Location
- Usually not in Ohio
- First Name
- Andy
- Truck Year
- '77, '78, '79, '84, '88
- Truck Model
- K5 thru K30
- Engine Size
- 350-454
Yeah, wiper delay module. Looks like the heat sink is on the top side.
Youngblood1989
Junior Member
- Joined
- Jan 20, 2026
- Posts
- 12
- Reaction score
- 33
- Location
- Michigan
- First Name
- Chris
- Truck Year
- 1980
- Truck Model
- C30
- Engine Size
- 305
Thank you for the replies!! I’m trying to figure out my cluster issues and there’s too many pink and pink/black wires haha.
peats
Full Access Member
- Joined
- Dec 2, 2016
- Posts
- 390
- Reaction score
- 413
- Location
- Pennsylvania
- First Name
- john
- Truck Year
- 72k5, 81c10 short step, 83k10 short fleet, 03 SSR. 25 chevy doodlebug
- Truck Model
- k5 c10 k10 SSR doodlebug
- Engine Size
- 406 360 6.2 5.3 171
If that delay module still works you are a lucky man.
