From: Larry Tighe (larryradio@worldnet.att.net)
Date: Sat Mar 27 2004 - 09:08:20 PST
Hi Glenn,
the switch appears to bypass the local unit and send the pulses to the small
cannon connector under the switch....judging by the wiring...no schematic.
The original connector to the engine analyzer cannon plug is interrupted by
the kit i.e., the pulses go into the new tach and out again to the original
sensor connection. Then, the tach only requires gnd and 24 VDC. There is a
seperate pair for the light that should go to the instrument panel's
lighting circuit.
You have to cut a 1.5 inch hole for the cannon connector on the bottom of
the tach that goes through the engine cover. A cannon plug plugs onto the
tach from inside the engine compartment.
The radio rack came from Kasscar....they're in stock there.
Lar
----- Original Message -----
From: "Glenn Shaw" <mpmutt@mtaofnj.us>
To: "'Larry Tighe'" <larryradio@worldnet.att.net>; "'Military Vehicles
Mailing List'" <mil-veh@mil-veh.org>
Sent: Saturday, March 27, 2004 11:45 AM
Subject: RE: [MV] HMMWV Tachometer
> Hi Lar
> What does the switch on the tach kit do. Does this tie right into the
> sender on the back of the engine.
>
> Glenn
>
> -----Original Message-----
> From: Larry Tighe [mailto:larryradio@worldnet.att.net]
> Sent: Saturday, March 27, 2004 11:09 AM
> To: Military Vehicles Mailing List
> Subject: [MV] HMMWV Tachometer
>
> Howdy Folks,
>
> For those who were curious about the tachometer kit, I've posted some
> pix of
> the HMMWV, M998 "conversion".
>
> http://www.wrljet.com/larryradio/
>
> I had to remove the front radio rack and install a new one on the
> "tunnel"
> between the driver and companion seats. The original shelf does not
> allow
> enough room for the tachometer kit.
>
> Lar
>
>
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