headlight rewiring with relay

Art Lischer alisch80 at mchsi.com
Fri Mar 14 07:58:44 PDT 2008

FTP site for Guy B Young, former tech editor for COG.  Has many 
schematics for electrical projects for mainly written for the Concours 
but the GPz1100 electrical system is virtually identical.  Hope this helps.


Art in DM

William K Denton wrote:
> Hi all,
> I'm thinking about rewiring the headlamp circuit on the '96 GPz1100 
> with heavy gauge wire and a SPDT relay to improve lighting performance 
> and leave the door open for increasing the wattage w/o worrying about 
> melting wires. Just wondering:
> A) anyone has already done this?... and
> B) can anyone shed light on the circuitous path that the electricity 
> makes through the OEM headlamp circuit in the shop manual?  I'm not 
> sure I fully understand the reason behind all the components in the 
> circuit (i.e. the headlight relay in the junction box "plus" the 
> separate headlight relay unit; both shown on pp15-43 in the shop 
> manual schematic, lower drawing).  I also think there may be a 
> misprint in the schematic, as there's nothing in the junction box 
> connecting to the BR/W wire coming out of it.
> TIA,
> Bill in Yardley, PA
> wkdenton at verizon.net
> '96 GPz1100

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