For one supported light up to 150W
Rocker switch and 12V relay
9-foot light-connector lead
HEISE HE-SLWH1 is a one-lamp DT wiring harness and switch kit for a documented compatible HEISE light rated 150W or less. Mariners Warehouse SKU 79629 supplies the harness assembly and switch rather than an LED fixture. Match the lamp connector, electrical load and installation route to the exact kit before ordering.
The manufacturer lists an on/off rocker switch, 12V DC relay, 30A fuse and a 9-foot lead to the light connector. The store also identifies a waterproof fuse holder and a two-pin DT connection. One older feature line refers to two lamps, but the exact HE-SLWH1 manufacturer listing specifies one lamp; do not treat it as the HE-DLWH1 two-lamp harness or select it by bar length alone.
Lay out the power, ground, relay, switch and lamp routes under the exact installation instructions before fastening the harness. Verify the supported lamp’s connector and actual load; a 30A supplied fuse does not increase the stated 150W light limit or replace the complete circuit requirements. Protect the cable at openings and moving parts and select any vehicle-specific mounting or connection supplies separately where required.
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Installation & Compatibility Guides
Match the Fixture to Its Location and Power Supply
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Check Load and 12V Relay Requirements
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Measure the Complete Harness Route
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Match the DT Connection
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Protect Cables and Fuse Access
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Inspect Included Electrical Components
Wiring Harness Kit or Complete Auxiliary Light?
Continue Your Lighting Selection
Frequently Asked Questions
What does SKU 79629 include?
One wiring harness with on/off rocker switch, 12V DC relay, listed 30A fuse and fuse holder, plus one-lamp DT connection. The manufacturer lists a 9-foot light-connector lead. A light fixture is not included.
Is HE-SLWH1 a one- or two-lamp harness?
The exact manufacturer HE-SLWH1 listing specifies one lamp. An older two-lamp feature line is not used as a fitment instruction.
What light load is supported?
The manufacturer specifies one HEISE light rated 150W or less. Confirm the actual connector and full circuit requirements.
Does the 30A fuse increase the light limit?
No. The supplied fuse value does not override the manufacturer’s stated light limit or wiring instructions.
Which relay and switch are listed?
A 12V DC relay and an on/off rocker switch.
How long is the light-connector lead?
The current manufacturer listing specifies 9 feet. Measure the complete installed route before ordering.
Does it fit every light bar up to 22 inches?
Do not choose from length alone. Confirm the exact light’s connector, wattage and electrical instructions; the current manufacturer limit is one supported HEISE light rated 150W or less.
How can I confirm the right selection?
Contact Mariners Warehouse with SKU 79629, MPN HE-SLWH1, your exact light code, DT connector details, rated load, power system and measured supply-to-switch-to-light route.
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