Horn - Circuit 1/9

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Major System Category: ISIS Wiring
Task: Mount Horn.
Parts: Horn and ISI wiring
Power Cell: 1
Circuit: 9 - ORANGE
Master cell: BLUE/YELLOW
Prerequisite Tasks: Mount Power Cells
Additional Costs: N/A
Time Requirement: 2 hours
Date Started: March 30, 2013
Date Completed: March 30, 2013

Anybody who has stuck their head under the front hood of the GTM realizes that space is a premium commodity. Since I moved the header tank to the engine compartment, moved the window washer fluid bottle to the passenger side, mounted the ISIS power cells on the center panel above the cooling fans and plan to mount the Escort 9500 radar/laser detectors behind the grill on the reinforced area below the radiator, I needed to find a home for the horns.

This is the bracket I fabricated to hold the horns. It is bolted to one of the eyelets for the Corvette overflow tank. This was replaced by the header tank.

I ended up mounting the horn on the passenger side ahead of the wiper motor and window washer fluid bottle. This is where the Corvette overflow tank is normally installed. However, I have replaced the overflow tank with a header tank mounted above the fuel pump behind the fuel tanks in the engine bay to eliminate the issue of "burping" the coolant system.

These are the mounted horns on the passenger side just forward on the middle panel. The horn is bolted to the bracket that is bolted tot he frame. The pig tail connector has the extended wires attached. The green one is connected tot he power lead coming off the power cell and the black will be attached to the forward passenger side ground point.

I fashioned a bracket out of angle aluminum so I could use the the eyelet on the frame for the overflow tank to secure the horns.This uses the Corvette bracket that comes with the horns. I ensured the hood and the Vraptor hood louvers had sufficient clearance. These louvers drop into the hood area approximately 1 to 1.5 inches.

I extended the pig tail connectors so I could reach the front grounding point, and connect to the horn circuit. I did the normal butt splice, cover in heat shrink insulator and wrap in black electrical tape.