The above diagram illustrates the design and basic layout of a headlamp harness for a vehicle with dual filament sealed beam headlights. 

A PDF version of this diagram is also available for free download using this link:

HarnessDiagram.pdf

The above diagram shows one variation of the parts we stock to build your own custom harness.  The table below provides links to those items as well as variations of those components. this allows our customers to further customize their harness with options like ceramic headlamp plugs and relay bases with mounting tabs.

Headlight Harness Component List

ID #	Image	Description	Qty	Our Part #
1		Weather Resistant Fuse Holder Kit	1	WP-FH-KIT
2		Relay Mount Base Kit - Standard	2	RELAY-RB-1614  RELAY-RB-1210
2*		Relay Mount Base Kit - High Temp Ceramic*	2	CRB-KIT-01
2*		Relay Mount Base Kit with Mounting Tab*	2	RELAY-TRB-1614  RELAY-TRB-1210
3		Tyco (Bosch) SPDT 12V Relay w Tab - 20/30AMP	2	RELAY-TYCO-01
3*		Tyco (Bosch) SPDT 12V Relay - 20/50AMP*	2	RELAY-TYCO-02
4		Plastic Female H4 Headlight Socket Kit	2	H4F-KIT-P
4*		Ceramic Female H4 Headlight Socket Kit*	2	H4F-KIT-C
5		Plastic Male H4 Headlight Plug Kit	1	H4M-KIT-P

   *Indicates an alternative part design to what is shown in the diagram.

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