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Re: TSI Connector (Test Service Instrument) in fuse box Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: TSI Connector (Test Service Instrument) in fuse box ..., Murphys001, Thu, 12 Oct 2006 05:22:56 Members do not see ads below this line. - Help Keep This Site Online - Signup |
1 is +30 (steady power)
2 is ground
3 is starter engagement
4 is +15 (switched power)
5 is RPM signal
6 is not used
So you can supply power from pin 1 to 4 and have the ignition turn on and then also jumpstart the car by supplying power from pin 1 to 3.
Be careful though since the cooling fans and a couple of other things WILL NOT run when ignition is turned on through that socket using pin 1 and 4. You are actually backfeeding power toward ignition switch +15 by doing that.
Anders
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