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Dave at Pelican Parts Dave at Pelican Parts is offline
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Join Date: Dec 1969
Location: Silly-Con Valley
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The relay board not only holds the relays (and one or two fuses), but is also serves as a way of connecting a number of wires together. You can bypass the board, but you will need to adapt the wiring to do so. If you are comfortable with that, then go for it. You can use a 928 part, I think, to hook up to the stock 14-pin plug of the main wiring harness.

There are four--and optionally a fifth--wiring harnesses that hook up to a stock 914's relay board. These are:

- Main (body) wiring harness
- Fuel injection wiring harness
- Fan wiring harness
- Engine wiring harness
- (optional) rear window defogger wiring harness

The FI wiring harness you can ditch.

The heater blower wiring harness you can also ditch; presumably the heater blower fan is long gone.

The engine wiring harness has some important bits in it. You'll need to take them into account. This carries power to the coil, and carries the tach signal. It also carries the oil pressure warning light signal. There is a branch of the harness that goes toward the back of the motor; this carries the fat yellow wire that operates the starter, and the two grey/black wires that run the backup lights. There may be one or two other things in there as well, but those are the ones that you'll probably need to deal with.

Good luck!

--DD
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Old 03-04-2005, 09:31 AM
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