July 2019

Technical Service Bulletin Notification TSB #19-030

Dear Valued Dealer:
Jayco has determined that certain Model Year 2020 Anthem and Cornerstone Class A
motorhomes require a service appointment to replace the battery merge solenoid. The current
solenoid may not connect to charge both banks of batteries, resulting in a no start situation.
Our records indicate that the following unit is currently part of the inventory at your dealership
and requires the Bulletin repair prior to delivery. The new solenoid required for the listed unit
shipped with this notification. A PARTS ORDER IS NOT REQUIRED. YOU ARE
REQUIRED TO RETURN THE ORIGINAL SOLENOID.
VIN

If you sold this affected vehicle, please contact the current owner regarding this Service Bulletin
and process the Warranty Registration for this customer. All pertinent information regarding
this Bulletin is on file under the Service and Parts Tab of our website. If you have questions
regarding this Service Bulletin, please contact Entegra Customer Service at 800-517-9137.
We apologize for any inconvenience or concern this Bulletin may cause and want to assure you
that Entegra is taking all the necessary steps to ensure our product quality meets your
expectations.
Sincerely,
Entegra Coach

July 2019

Technical Service Bulletin Notification TSB #19-030
Unit:

Dear Valued Customer:
Jayco has determined that certain Model Year 2020 Anthem and Cornerstone Class A
motorhomes require a service appointment to replace the battery merge solenoid. The current
solenoid may not connect to charge both banks of batteries, resulting in a no start situation.
Our records indicate that this Service Bulletin affects your motorhome. Please contact an
Entegra dealer to schedule an appointment for this bulletin and let the Dealer know you have the
new solenoid required for the repair. This letter and new solenoid are authorization to have the
procedure completed at no cost to you.
If you have sold or traded your vehicle, or for any reason cannot have this service performed,
please contact the Entegra Customer Service Department at 800-517-9137.
We apologize for any inconvenience or concern this bulletin may cause and want to assure you
that Entegra is taking all the necessary steps to ensure our product quality meets your
expectations.
Sincerely,
Entegra Coach

Battery Merge Solenoid Replacement

Bulletin Type:

TSB
Technical Service Bulletin

Publication Date:

July 2019

Bulletin #:

19-030

Make(s):

Entegra

Job Code:

9803437

Model(s):

Anthem / Cornerstone

Flat Rate:

1 hour

Model Year(s):

2020

NO PARTS ORDER REQUIRED
The new solenoid shipped to current owner on record (Rtl / Dlr)
Incident:
Affected Units:

Battery merge solenoid may not connect to charge both banks of
batteries, resulting in a no start condition.
2020 Anthem L14W8051-8054
2020 Cornerstone L16B8051-8055

Parts Kit #: 19-030EN
Parts:

Misc. Tools & Supplies:

Parts Kit Contents:
1-TE Solenoid
Screw gun with #2 square drive bit
Wire strippers
3/8” wrench
½” wrench
Crimpers
2 – butt connectors (16-14awg)

Parts Return Information: Original Solenoid must be returned.

REPAIR INSTRUCTIONS

MANDATORY BEFORE BEGINNING SERVICE!
 TURN POWER OFF AT INVERTER #1 (Refer to Fig 2)
 TURN POWER OFF AT INVERTER #2 (Refer to Fig 2)
 TURN OFF THE 120A BREAKER AT THE DOOR SIDE REAR OF
THE COACH.
 ENSURE THE GENERATOR IS NOT RUNNING.
 TURN OFF ALL 4 BREAKERS PICTURED IN FIG 2.
 ENSURE SHORE POWER IS DISCONNECTED FROM THE COACH.

120A BREAKER

WARNING
FAILURE TO COMPLY WITH THE STEPS ABOVE PRIOR TO SERVICE MAY RESULT IN DAMAGE TO THE
MOTORHOME, INJURY OR DEATH.

INVERTER #1

INVERTER #2

Fig.1

Fig.2

FIG 1:
 Locate the DCD Panel on the coach.
 DCD Panel is located the fourth bay back from the entrance door.
FIG 2:
 Inverter shutoff switches and breakers are located in the same bay as the DCD
Panel.

Fig.3
FIG 3:
 POWER MUST BE DISCONNECTED BEFORE CONTINUING!
 The DCD Panel is located behind a false carpeted panel.
 False panel is held in place with velcro, simply pull it away to remove it.

DCD PANEL

Fig.4
FIG 4:
 DCD Panel with the cover removed.

Fig.5
FIG 5:
 Remove ONLY the single retaining screw (square bit) holding the DCD Panel door
closed.
 The panel is hinged and will swing out so you can access the back side.
 DO NOT REMOVE ANY SCREWS HOLDING THE PANEL TO THE WALL.
FIG 6:
 Locate the Gigavac Solenoid on the back
side of the DCD Panel.
 Take note of cable and wire colors on
the Gigavac Solenoid as they will need to
be removed and re-installed on the new
Solenoid in the same positions further
on in the instructions.

Fig.6

Fig.7

Fig.7A
A

FIG 7 & 7A:
 Locate the Economizer assembly (Fig 7 & 8).
 Unplug the white connector (with Black, Red, Blue wires) from the DCD Panel
(Fig 7A) (this connector will be re-installed later in the instructions)
 Unplug the black header from the top of the Gigavac Solenoid.
NOTE: The Economizer assembly may have a different color shrink wrap that what is
pictured in Fig 8.

Black Header

Fig.8
DO NOT CUT THE BLUE WIRE!

FIG 8:
 On the opposite side of the black header, cut the Red and Black twisted pair of wires
(DO NOT CUT THE BLUE WIRE!).
 Ensure the cut is as close to the Economizer as possible to allow maximum wire
length.
 The black header with the Economizer attached may be discarded.

Discard these nuts

Fig.9
FIG 9:
 ENSURE CIRCUIT BREAKERS ARE TURNED OFF BEFORE THIS STEP!
 Mark and then remove Chassis and House sense wires (Red & Yellow wires) from the
top of the Gigavac Solenoid.
 Mark and remove Chassis and House battery cables.
 Discard the nuts previously
used to secure the House and
Chassis terminals (Fig 9).
FIG 10:
 Remove the old Gigavac
Solenoid from the panel.
RETURN THE OLD SOLENOID
TO JAYCO. There are 2 nuts
securing it to the panel. (Refer
to rectangular box with yellow
line pointing to one of the nuts)

Fig.10

FIG 11:
 Install the new TE Solenoid from the kit, and
secure with nuts that were previously used to
secure the Gigavac Solenoid to the panel.
 TE Solenoid should be installed exactly as
shown with the 2 pairs of wires positioned at
the top.

Secure solenoid to
the panel with nuts

Fig.11

FIG 12:
 Install the House & Chassis battery cables first
on the proper solenoid terminals.
 Then install the House (red wire) & Chassis
sense (yellow wire) on the proper terminals.
 Use the new hardware provided with the new TE solenoid:
 Install the washers on the solenoid terminals.
 Install the nuts on the solenoid terminals.
 Tighten the nuts using the wrenches.

Fig.12

White
connector

Red & Black
from TE
Solenoid

Fig.13
FIG 13:
 Strip the following wires ¼”:
 Red & Black wires from the TE Solenoid.
 Red & Black wires from the white connector (From Fig 8)
 Crimp the black wire from the TE solenoid to one end of a butt splice connector.
 Crimp the red wire from the TE solenoid to one end of a butt splice connector.
 Crimp the black wire from the white connector to the other end of the butt splice
connector with the black wire attached.
 Crimp the red wire from the white connector to the other end of the butt splice
connector with the red wire attached.
 Wires should be connected: black to black, and red to red (as shown).

FIG 14:
 Insert the white connector (with the
Red,Blue, and Black wires) back into
the header it was removed from in
Fig 8. (circled in photo)
 Header is located next to the TE
Solenoid. Make sure the connector is
securely connected.
 Make sure the Manual Merge
Ground Input (Blue wire) is still
connected to ground.
 Secure any loose wires, close the
DCD Panel and reinstall the retaining
screw.
 Replace the false panel back over the
DCD Panel.

Fig.14

TESTING THE INSTALLATION:
FIG 15 & 16:
 Turn power ON to the coach by performing the following
steps.
 Open the last compartment
on the entrance door side of
the coach, there are two
breakers (Fig 15).
 Turn both breakers ON.
(120A and 150A) Breakers
are shown ON in photo.
 Open the 4th bay back from
the entrance door.
 Locate the row of 4 breakers
Fig.15
(Fig 16).
 Turn ON the BATTERY LINK
breaker which is circled in Fig 16.
 Turn the ignition ON.

Fig.16

FIG 17, 18 & 19:
 Locate the BATTERY BOOST switch to the left of the driver seat.
 Locate the chassis battery voltage indicator to the right of the RPM gauge on the
digital instrument panel screen (Fig 19).
 Take note of the voltage shown on the gauge.
 After noting the voltage, press and hold the BATTERY BOOST button (Fig 18) for a
minimum of 30 seconds to verify the battery voltage changes.
 If the voltage changes, the merge solenoid is working correctly.
 Turn ignition OFF.

Fig.17

Fig.19

Fig.18