Atwell Haines wrote:
>
> I'm attempting to install a Crane XR700 ignition module in a 1979 Spitfire
>1500. The DPO had installed a Pirhana ignition many years ago, and I wasn't
gettin
>
> I'm getting battery voltage at the coil with the ignition switch in the ON
>position (engine off). Shouldn't I get much less? (like six to nine
volts?)
Yes, if you disconnect the supply voltage lead (white/yellow crimped to white
at connection) from the "+" terminal and check the voltage at the wire's end.
With a stock coil, and the ballast resistor wire in place, the voltage should
read about 7 or 8 volts (with the ignition switch in the "ON" position--with
the switch in the "START" position, the voltage should read very close to
battery voltage).
>
> My Bentley Bible predicts (it never seems to tell you for sure!) that
>resistance wire is used rather than a ballast resistor. I see the wire
leaving the star
'79 Spits have a ballast resistor wire bundled into the harness that runs down
the driver's side of the engine bay. The wire is pink/white, and both ends
poke out of the harness, and are usually crimped at the lower end to a plain
white wire, and at the top end to a white/yellow.
>
> Since I don't want to blow out the new ignition, could someone tell me what
>voltage to expect on the + side of the coil, both key on and start? I wont
actua
See above. Do you know if you have a OEM (6v.)coil? If you're using a Lucas
Sport coil or Bosch Blue, you don't need the ballast wire--they're internally
ballasted.
> I'll be under the dash, waiting for your message. Thanks!
>
> Atwell (the Human Pretzel) Haines
> '79 Spitfire FM96062
> '88 Lotus Esprit
> '88 Mustang 5.0
>
> CarBuff@scooter.net
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