552034 Service Bulletin/Repair Instructions

9/30/2022
A

A

A

A

A

A

A

A

A

A

A

A

A
C1A

C1A

C1A

C1A

C2A

C2A

C2A

C2A

C2A

C2A

C2A

C2A

C2A

C2A

C2A

C2A

C2A

CA1

CA2
DL9

DLA

DLB

DLC

54C

DL1

DL2

DL3

DL4

DL5

DL6

DL7

DL8

DL9

DLA

DLB

DLC

54C

54C
N/A

N/A

N/A

N/A

5

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

8

9
14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14
BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

BROWN

GRAY

GRAY
4 of 7
N/A

N/A

N/A

N/A

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

N/A

BLACK
SPLICE

SPLICE

SPLICE

SPLICE

DLD

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

SPLICE

26

26
N OTES
STEP IGNITION AT CHASSIS POWER DISTRIBUTION

STEP OVERRIDE CIRCUIT FROM MLEX MODULE

STEP POWER AT CHASSIS POWER DISTRIBUTION
1:05 PM
D02020810 REV_G 37RB CHASSIS HARNESS DLC

W I RE #
STARTS
CAVI TY
GAUGE
COLOR
STRI P E
EN DS
CAVI TY
N OTES
ROOF AIR CONDITIONER

ROOF AIR CONDITIONER GROUND
H2

G10
46K

66
3

12
16

16
BLACK

WHITE
N/A

N/A
66

65
11

N/A
TO ROOF HARNESS REAR CONNECTION

TO ROOF HARNESS REAR CONNECTION
KITCHEN VENT FAN

KITCHEN VENT FAN GROUND
H2F

G30
46H

66
1

2
16

16
BLACK

WHITE
N/A

N/A
66

65
1

N/A
TO ROOF HARNESS REAR CONNECTION

TO ROOF HARNESS REAR CONNECTION
FRONT BATHROOM VENT FAN

FRONT BATHROOM VENT FAN GROUND
F3F

G30
46H

66
4

4
16

16
GRAY

WHITE
N/A

N/A
66

65
3

N/A
TO ROOF HARNESS REAR CONNECTION

TO ROOF HARNESS REAR CONNECTION
REAR BATHROOM VENT FAN

REAR BATHROOM VENT FAN GROUND
F6F

G30
46J

66
1

8
16

16
GRAY

WHITE
N/A

N/A
66

65
7

N/A
TO ROOF HARNESS REAR CONNECTION

TO ROOF HARNESS REAR CONNECTION
SOFA OVERHEAD LIGHTS

GROUND SOFA OVERHEAD LIGHTS
FOH

G16
46C

35
10

N/A
16

16
GREEN

WHITE
N/A

N/A
35

19
N/A

N/A
SOFA OVERHEAD LIGHTS IN LR/DINETE SLIDEOUT

SOFA OVERHEAD LIGHTS IN LR/DINETE SLIDEOUT
FRONT LEFT TURN SIGNAL (CAMERA SWITCH)

FRONT RIGHT TURN SIGNAL (CAMERA SWITCH
FTL

FTR
26

26
5

4
16

16
GRAY

BLUE
BLACK

N/A
30

30
G

P
LS AND SEALS ONLY INSTALLED INTO CAVITY G AT P30 CHASSIS CON

LS AND SEALS ONLY INSTALLED INTO CAVITY P AT P30 CHASSIS CON
GRAB HANDLE/ENTRANCE STEP ROPE LIGHTS

GRAB HANDLE/ENTRANCE STEP ROPE LIGHTS

GROUND GRAB HANDLE/ENTRANCE STEP ROPE

GROUND GRAB HANDLE/ENTRANCE STEP ROPE
GHS

GHS

G7

G7
46C

10

10A

10
2

N/A

N/A

N/A
18

18

18

18
GREEN

GREEN

WHITE

WHITE
N/A

N/A

N/A

N/A
10A

SPLICE

19

19
N/A

N/A

N/A

N/A
GRAB HANDLE LIGHT @ ENTRY DOOR

SPLICE TO ROPE LIGHT AT ENTRY STEP

GROUND GRAB HANDLE LIGHT @ ENTRY DOOR

GROUND GRAB HANDLE LIGHT @ ENTRY DOOR
PORCH LIGHT

GROUND PORCH LIGHT
PLS

G13
46C

5A
3

N/A
16

16
BROWN

WHITE
YELLOW

N/A
5A

19
N/A

N/A
TO ROOF HARNESS REAR CONNECTION

TO ROOF HARNESS REAR CONNECTION
KITCHEN OVERHEAD LIGHTS

KITCHEN OVERHEAD LIGHTS

GROUND KITCHEN OVERHEAD LIGHTS

GROUND KITCHEN OVERHEAD LIGHTS
KOH

KOH

G21

G21
46C

5

5B

5
6

N/A

N/A

N/A
16

16

16

16
GREEN

GREEN

WHITE

WHITE
WHITE

WHITE

N/A

N/A
5B

SPLICE

19

SPLICE
N/A

N/A

N/A

N/A
TO KITCHEN OVERHEAD LIGHT

TO KITCHEN OVERHEAD LIGHT

GROUND @ KITCHEN OVERHEAD LIGHT

GROUND @ KITCHEN OVERHEAD LIGHT
WASHER/DRYER CLOSET LIGHT

GROUND WASHER DRYER LIGHT
H15

G16
46E

42C
2

N/A
16

16
DARK BROWN

WHITE
N/A

N/A
42C

65
N/A

N/A
WASHER/DRYER LIGHT CONSTANT POWER WARDROBE SLIDEOUT

WASHER/DRYER LIGHT CONSTANT POWER WARDROBE SLIDEOUT
BEDROOM CLOSET LIGHTS

GROUND BEDROOM WARDROBE CLOSET LIGHT
H16

G16
46E
3

N/A
16

16
BLUE

WHITE
N/A

N/A
42B

65
N/A

N/A
CLOSET LIGHT CONSTANT POWER WARDROBE SLIDEOUT

CLOSET LIGHT CONSTANT POWER WARDROBE SLIDEOUT
SOLAR PANEL +

SOLAR PANEL -
SP1

SP2
10D

10E
N/A

N/A
8

8
RED

BLACK
N/A

N/A
29A

29A
N/A

N/A
SOLAR PREP CIRCUIT +

SOLAR PREP CIRCUIT 1
EXTERIOR ENTERTAINMENT CENTER (Entertain

EXTERIOR ENTERTAINMENT CENTER GROUND
H8

G18
46K

9
5

N/A
14

1...3 456 7...18

Bestseller No. 1

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

CEL Doctor: The ANCEL AD310 is one of the best-selling OBD II scanners on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on. After repairing the vehicle's problems, it can quickly read and clear diagnostic trouble codes of emission system, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information.
Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed mechanic tool with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
Accurate Fast and Easy to Use: The AD310 scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble emission codes in seconds after you fixed the problem. This device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. AD310 scanner as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Pls confirm with our customer service whether it is compatible with your vehicle before purchasing.
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MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

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Wide Capability - Supports 9 protocols compatible with most 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports 6 languages - English,German, Dutch, Spanish, French, Italian.
2.8" LCD Display - Designed with a clear display 2.8" Large LCD screen - white backlight and contrast adjustment. No need any battery or charger, OBD reader gets the power directly from your vehicle through the OBDII Data Link Connector.
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FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

【Your Personal CEL Doctor – Read & Clear Engine Codes】The NT301 OBD2 scanner lets you read diagnostic trouble codes (DTCs), check em-issions readiness, turn off your Check Engine Light (CEL) or MIL, reset monitors, and view live data streams. It retrieves your vehicle's VIN instantly. Like all standard OBD2 scanners, it clears codes only after repairs are completed—if the issue persists, the code will return. Designed for DIYers who want to understand what’s really going on under the hood.
【Easy Code Reading – Just Plug & Play】Simply plug into the OBD2 port, turn the ignition to “ON” (engine off), and select the correct menu: Select OBDII-> Wait for seconds-> Select Read codes. For accurate results, ensure your vehicle is compatible and the OBD2 port is free from damage or wiring issues. No batteries needed— powered directly by your car.
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【S-mog Check Helper – Know Your Readiness Status at a Glance】With dedicated I/M readiness hotkeys and a simple Red-Yellow-Green LED indicator, you’ll instantly know if your vehicle is ready for em-issions testing. Built-in speaker provides audio feedback. No guesswork—just confidence before you head to the test center.
【A Must-Have Tool for Every Home Mechanic】Compact, rugged, and ready to use right out of the box. The 2.8” color screen is easy to read, even in daylight. No charging or setup required—just plug into the 16-pin DLC and start diagnosing. Recommended by professional mechanics on YouTube and trusted by DIYers worldwide.

Last update on 2026-03-20 / Affiliate links / Images from Amazon Product Advertising API

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