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Join Date: Oct 2008
Location: Norway / Miami
Posts: 1,390
Garage
backup light does not work

Hi,

Was trouble shooting my backup light last night. (1979 930)

Backup switch work fine on transmission.

From what I can see, pin 5 & 6 is used on the 14 pin connector, where 5 comes from fuse box and 6 goes to backup light.

I measures no current on pin 5, so I guess it is some place between 14 pin connector and fuse box.

From what I can see from diagram, it should be a green/yellow cable.

Could not find this color going to the fuse box.

Also tried to make a jumper cable from another pin that had current to pin 5, just to test, but even then the light did not work.

I tested the connection between pin 6 and the tail light backup light. there was connection.

Any suggestions?
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Trond R.
1979 930: Garret GT35r turbo, EFI, carerra intake, Link EMS, custom GT2 cams, 98mm JE P/C, 964 crank (stroker), custom valves & ported (XtremeCylinderHeads) etc..etc..
1972 914-6 GT replica project
1986 944 Turbo
Old 11-26-2015, 05:29 AM
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