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3.
Connect the ring terminal directly to the battery’s positive post (or if present, to a stud on the battery’s
main/non-switched power distribution terminal block).
4.
Mount the Time-Delay Relay firmly onto a flat surface within the vehicle’s engine compartment and
near the battery but away from sources of excessive heat. Use the various mounting holes in the relay
case as necessary and self-threading screws (not supplied).
5.
Strip the Fuse Holder’s other wire and strip the relay’s 10-AWG red wire. Connect these two wires
together using the 10-AWG moisture-resistant insulated butt splice included in the Fuse Distribution
Rail Kit.
6.
Strip the relay’s 10-AWG yellow wire. This is its output lead.
7.
Strip one end of the 20-foot long 10-AWG red wire supplied in the Fuse Distribution Rail Kit and
connect it to the relay’s yellow wire using a 10-AWG moisture-resistant butt splice.
8.
Route the other end of the 20-foot long red wire through a wire-loom then through the grommet in the
firewall. This end of the red wire will later be connected to the Fuse Block clipped on the Fuse
Distribution Rail Assembly (both parts of the Fuse Distribution Rail Kit). The Fuse Distribution Rail
Assembly will be located near the radio in the trunk.
9.
Connect the relay’s white wire to a switched power source such as “Accessory” power at the
vehicle’s fuse box. Use an 18-AWG moisture-resistant insulated butt splice and 18-AWG wire. Route
the wire through a wire-loom then through the grommet in the firewall to the fuse box. This must be
the same switched power source (that is later) connected to the Control Head’s white wire; see section
9.5.3 on page 37 for additional information.
10.
Continue routing the 20-foot red wire through channels in the vehicle to the location of the radio.
Remove interior panels, door kick panels, etc. Protect the wire from possible chafing as necessary.
11.
Mount the Fuse Distribution Rail Assembly (included in the Fuse Distribution Rail Kit; see Figure
8-2) in the vicinity of the radio’s mounting location, but where casual contact is not likely. Use self-
threading screws (not supplied) and any available mounting slots in the DIN rail to mount the block.
NOTE
The Fuse Distribution Rail Assembly has a DIN-type rail allowing additional Fuse
Blocks to be added to it if fuse expansion is necessary in the future, such as for
multiple Control Head installations. The rail may be cut to decrease its length if
necessary, but enough room for at least one Control Head and any additional future
expansion should be considered first.
12.
Apply the sticker included in the Fuse Distribution Rail Kit in the vicinity of the Fuse Block as future
reference for service personnel.
13.
At the Fuse Block, cut and discard excess length from the 20-foot red wire, strip the end, and connect
it to the Fuse Block according to the instructions included with the block.