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Install the latch and strike

Kwikset Technical Support

1-866-863-6584 • www.kwikset.com

Prepare the door and check dimensions

Full smart lock vs interior conversion kit

1

2

3

1 / 4

If drilling a new door, use the supplied template and the complete 
door drilling instructions available at www.kwikset.com/doorprep

Note: Additional door preparation may be 
required for doors with 1-1/2" (38 mm) holes. 
Consult the deadbolt drilling instructions at 
www.kwikset.com/doorprep

or

bac

kse

t

Measure to confirm that the hole in 
the door is either 2-1/8" (54 mm) or 
1-1/2" (38 mm).

Measure to confirm that the backset is 
either 2-3/8" or 2-3/4" (60 or 70 mm).

2-3/8" or 2-3/4"

60 or 70 mm

1-3/8" or 1-3/4"

35 or 44 mm

Measure to confirm that the hole in 
the door edge is 1" (25 mm).

Measure to confirm that the door is 
either 1-3/8" or 1-3/4" (35 mm or 44 
mm) thick.

A

B

C

D

2-1/8"

54 mm

1-1/2"

38 mm

1"

25 mm

This package contains a full smart lock set as well as interior 
parts that can be used with your existing deabolt exterior 
to convert your mechanical lock into a smart lock.

The following steps will show you how to install the

 full smart 

lock set

. If you are installing the interior conversion kit, please 

refer to the other instruction sheet in the package.

Is the door edge chiseled?

Which latch are you installing?

YES

NO

Use latch “J”. If the 
latch bolt is not already 
extended, extend the 
latch bolt as shown.

wood 
block

"UP" is 
on top

"UP" is 
on top

Use latch “K” (not 
included). If the latch 
bolt is not already 
extended, extend the 
latch bolt as shown.

Latch “J”

Latch “K”

Longer screws 
install closest to 
the door jamb.

door frame

Install strike on the door frame.

 Make sure the hole in the door frame is drilled a 

minimum of 1" (25 mm) deep.

or

chiseled

not 
chiseled

or

Is the D-shaped hole centered in the door hole?

Hold the latch in front of the door hole, with the latch 
face flush against the door edge.

YES

NO

No adjustment is required. 
Proceed to next step.

D-shaped hole

D-shaped hole

Rotate latch face as 
shown to extend latch.

actual 

size

A

D

E

B

C

Strike

Latch screws

Strike screws

Keys

SmartKey   
tool

Latch

“K” is not included. If 

needed, please contact 

Kwikset to order a drive-in 

latch for your lock.

Exterior 
Assembly

Drive-in 
latch

03809

46780

Ruler

Phillips head screwdriver

4 AA batteries

Existing key

Required Tools

Signature Series Deadbolt  

with Home Connect

Installation and User Guide

E

N

GL

ISH

66494-002

Rev 02

914C

 

ZigBee® C4

Full Lock

or

Full smart lock set

New Interior

New 
Exterior

New Latch

Interior conversion kit

New Interior

Existing 
Latch

Existing 
Exterior

Black mounting 
plate

Gold mounting 
plate

Silver mounting 
plate

Interior  
cover

Interior 

assembly

Battery 

pack

Adapter 
ring

Cylinder 
guard

Guard 
cover

Cylinder

Black adapter

Black adapter

Kit “A”

Kit “B”

Kit “C”

Interior 
Assembly

Mounting 
plate screws

Mounting 
plate screws

Mounting 
plate screws

Gold adapter

Gold adapter

Silver adapter

J

(x2)

P

Q

S

R

J

K

K

(x2)

L

(x2)

J

K

J

K

Interior assembly 

screws

Interior cover 

screws

P

R

S

Q

T

U

W

K

L

M

N

A1

B1

X2

B2

B3

X1

X1

A2

A3

C2

F

G

H

V

E

J

D

X2

X3

C1

Interior assembly 

screws

Interior cover 

screws

E

Interior assembly 

screws

Interior cover 

screws

E

D

D

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