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3. Look in to the component box to determine a
convenient back side location near the existing Zettler
light relays (C, Figure 3a) to install one 725 light relay
(D, Figure 2, Ref. 1) from the kit contents or use the
suggested layout for installing the relays as shown in
Figure 3a. Using the slots as guides on the 725 relays,
drill 1/8" holes into the back side of the component
box. Install the new relay in the box by securing it with
the #8 x 5/8 hex washer head screws (Ref. 10). Add
RTV sealant to the screws if necessary. Install the
relays with the DC posts facing up and the AC posts
down for more accessible wire connections.
4. The DC and AC detail configurations of the new 725
light relay and the existing Zettler light relays are
shown in Figures 3b and 3c. Refer to these figures for
relay disconnection and connection points.
3a
Zettler Relay 1
Zettler Relay 2
Zettler Relay 3
725 Relay
Suggested 725 Relay Layout
3b
DC Post 1
725 Relay Detail
C
D
DC Post 2
AC Post 1
AC Post 2
3c
DC Power Spade
AC Light Switch Spade
AC Distribution
Block Spade
Zettler Relay Detail
5. Note: The 725 light relays shown in these installation
instruction figures are for replacing damaged Zettler
light relay 2. Zettler light relay 1 replacement will
be similar; the differences will be mentioned in the
instructions and not shown.
6. On Zettler light relay 2 disconnect the existing 12 AWG
wire (E, Figure 4a-b) from the AC distribution block
spade. This wire should be leading from distribution
block 2. On Zettler relay 1 disconnect the wire leading
distribution block 1 from the same spade, and on
Zettler relay 3 disconnect the wire leading distribution
block 3 from the same spade.
4a
Distribution Block 1
Distribution Block 2
DC Ground Spade
E
Distribution Block 3
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