OK so i just tried (again) and for some reason the link i get has the entire URL twice so i have to edit the https:// to http:// twice but leaves a bunch of other junk in there too.
Here is what i get from the link in Google.
<iframe width="300" height="300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="
https://maps.google.com.au/maps?f=d&source=s_d&saddr=Beechboro WA&daddr=Brookton WA to:Wagin WA to:Mt Barker WA to:Manjimup WA to:Northcliffe WA to:Nannup WA to:Busselton WA to:Gosnells WA to:Beechboro WA&hl=en&geocode=FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ;FSsaEv4dVW_5BimBpmhn2Y4zKjEw9HkkOPYABA;FXS_A_4dkob-Bilxqdubxto2KjHQ_XkkOPYABA;FUaf7_0ddWEDBymR_okvAaE5KjFQwnkkOPYABA;FdCC9f0duj3sBinl_By2hHEwKjEA7XkkOPYABA;FY2P7_0d6-nrBinPUAFsBpQ6KjHQ7nkkOPYABA;FXiG-f0d62zmBil9Y4_SZRgwKjFQ7nkkOPYABA;FeeK_v0d5ATgBinxb-0WEjkuKjEgDXokOPYABQ;FcalFv4dxwTqBilndoXK5L0yKjFARd81tfAEBQ;FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ&aq=0&oq=beech&sll=-33.26625,116.801147&sspn=3.981781,7.13562&mra=ls&ie=UTF8&t=m&ll=-33.26625,116.795654&spn=2.75565,3.295898&z=7&output=embed"></iframe><br /><small><a href="
https://maps.google.com.au/maps?f=d&source=embed&saddr=Beechboro WA&daddr=Brookton WA to:Wagin WA to:Mt Barker WA to:Manjimup WA to:Northcliffe WA to:Nannup WA to:Busselton WA to:Gosnells WA to:Beechboro WA&hl=en&geocode=FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ;FSsaEv4dVW_5BimBpmhn2Y4zKjEw9HkkOPYABA;FXS_A_4dkob-Bilxqdubxto2KjHQ_XkkOPYABA;FUaf7_0ddWEDBymR_okvAaE5KjFQwnkkOPYABA;FdCC9f0duj3sBinl_By2hHEwKjEA7XkkOPYABA;FY2P7_0d6-nrBinPUAFsBpQ6KjHQ7nkkOPYABA;FXiG-f0d62zmBil9Y4_SZRgwKjFQ7nkkOPYABA;FeeK_v0d5ATgBinxb-0WEjkuKjEgDXokOPYABQ;FcalFv4dxwTqBilndoXK5L0yKjFARd81tfAEBQ;FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ&aq=0&oq=beech&sll=-33.26625,116.801147&sspn=3.981781,7.13562&mra=ls&ie=UTF8&t=m&ll=-33.26625,116.795654&spn=2.75565,3.295898&z=7" style="color:#0000FF;text-align:left">View Larger Map</a></small>
And Below is what i get when i add the tags and remove the "s"
<iframe width="300" height="300" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="
WA&daddr=Brookton WA to:Wagin WA to:Mt Barker WA to:Manjimup WA to:Northcliffe WA to:Nannup WA to:Busselton WA to:Gosnells WA to:Beechboro WA&hl=en&geocode=FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ;FSsaEv4dVW_5BimBpmhn2Y4zKjEw9HkkOPYABA;FXS_A_4dkob-Bilxqdubxto2KjHQ_XkkOPYABA;FUaf7_0ddWEDBymR_okvAaE5KjFQwnkkOPYABA;FdCC9f0duj3sBinl_By2hHEwKjEA7XkkOPYABA;FY2P7_0d6-nrBinPUAFsBpQ6KjHQ7nkkOPYABA;FXiG-f0d62zmBil9Y4_SZRgwKjFQ7nkkOPYABA;FeeK_v0d5ATgBinxb-0WEjkuKjEgDXokOPYABQ;FcalFv4dxwTqBilndoXK5L0yKjFARd81tfAEBQ;FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ&aq=0&oq=beech&sll=-33.26625,116.801147&sspn=3.981781,7.13562&mra=ls&ie=UTF8&t=m&ll=-33.26625,116.795654&spn=2.75565,3.295898&z=7&output=embed"></iframe><br /><small><a href="
WA&daddr=Brookton WA to:Wagin WA to:Mt Barker WA to:Manjimup WA to:Northcliffe WA to:Nannup WA to:Busselton WA to:Gosnells WA to:Beechboro WA&hl=en&geocode=FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ;FSsaEv4dVW_5BimBpmhn2Y4zKjEw9HkkOPYABA;FXS_A_4dkob-Bilxqdubxto2KjHQ_XkkOPYABA;FUaf7_0ddWEDBymR_okvAaE5KjFQwnkkOPYABA;FdCC9f0duj3sBinl_By2hHEwKjEA7XkkOPYABA;FY2P7_0d6-nrBinPUAFsBpQ6KjHQ7nkkOPYABA;FXiG-f0d62zmBil9Y4_SZRgwKjFQ7nkkOPYABA;FeeK_v0d5ATgBinxb-0WEjkuKjEgDXokOPYABQ;FcalFv4dxwTqBilndoXK5L0yKjFARd81tfAEBQ;FZKwGf4dZC3pBinR0m6cUbcyKjFQP981tfAEBQ&aq=0&oq=beech&sll=-33.26625,116.801147&sspn=3.981781,7.13562&mra=ls&ie=UTF8&t=m&ll=-33.26625,116.795654&spn=2.75565,3.295898&z=7" style="color:#0000FF;text-align:left">View Larger Map</a></small>