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Old 04-27-2008, 05:09 PM
deene deene is offline
Join Date: Jan 2005
Location: Georgetown, TX
Posts: 412

BE CAREFUL HERE, PJ is right. Many of the new engines are being equipped with the newer inline starters. My IO-390 from Mattituck has one. These are equipped with a jumper that configures the starter for 12 or 24 volt operations. This jumper is easily confused with the jumper on earlier starters that connect the onboard solenoid to the input power terminal.

If you have one of these starters (they resemble two beer cans stacked together, or check with Mattituck), LEAVE THE JUMPER installed unless you are going to use a 24v electrical system (very rare on homebuilts).

The earlier advice on using the "I" (Ignition) is good if you have the other versions of the starter with an external solenoid.
Deene Ogden.
N399AD RV-12...flying
N299AD RV8 QB, IO-390X, BA prop...SOLD
N199AD One Design...SOLD
N99AD BD4, flew for 22 years...SOLD
EAA Tech Counselor/Flight Advisor
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Old 04-27-2008, 08:15 PM
cytoxin's Avatar
cytoxin cytoxin is offline
Join Date: Apr 2006
Location: south carolina
Posts: 1,111

thanks deene, removed the wire on mine, installed the wired as called out in the plans and determined my starter is the 12v version.
William Weesner/ still kicking.
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Old 03-09-2023, 07:01 PM
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johnbright johnbright is offline
Join Date: Aug 2010
Location: Newport News, Va
Posts: 508

Some Knuckolls food for thought:
John Bright, RV-6A, N1921R, at FWF
O-360, 8.5:1, vert sump, dual SDS EFI EM-5-F
Z101 as a template, links
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