SRS coming on at speed

Hi all,
Strange one. Having a freelander I obviously have the no power issue but have disconnected the MAF so living with it for now. But have been getting intermittent battery light flickering and now have the SRS light coming on between 60 and 70. Go above or below and the light goes off. Haven't checked for codes yet as my reader has gone walk about.
Any help would be appreciated.
Many thanks.

Could be a bad connection where the vibration at that speed hits a resonant frequency.

Was thinking more that I have an intermittent battery light and battery might not be charging properly and strange stuff happens when electrics go low.

Good point, Have you a voltmeter to test it?