citroen saxo 1.1X

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The air bag light flashes continuingly flashs in my saxo. My friend said it is a stupid designed as there is a connection under the drivers seat that "breaks"when the seat is moved forward or back. I have had a look under the seat and there is a connection with a wire going into the seat beat holder. Is there anyone out there who can tell me simply and clearly how to rejoin the connection(?).
Thank you Sue

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Thanks