This is pretty much the basis of the song. Its missing some fills, but basically
just mess around with a blues scale for the fills. Enjoy
Intro
-9-9-9-9-9-9-9-9-|
-----------------|
-----------------|
-----------------|
------------------|
------------------| x4
--7-----------4---|
-------4--7-------|
Truckin, got my chips cashed in...(chorus)
------------------|
------------------| x2
--7-----------4---|
-------4--7-------|
------------------|
--------4-7-4-----|
--0-4-7-------7-4-|
------------------|
--------1-4-1-----|
----1-4-------4-1-|
--2---------------|
------------------|
------------------|
--------4-7-4-----|
--0-4-7-------7-4-|
------------------|
Verse
----------7-------|
------7h9---7h8h9-| x12
--7-7-------------|
------------------|
Chorus
Verse
[ Tab from: https://www.guitartabs.cc/tabs/g/grateful_dead/truckin_btab.html ]
Chorus
-----------------------|
-----------------------| x4
--7-7----------4-4-----|
-------4-4-7-7---------|
Bridge
-------------------|
-------------------|
-0-0-0-0-0-0-0-0-0-|
-------------------|
-------------------|
-------------------|
-----------------0-|
-0h3-3-2-2-2-0-2---|
-------------------|
-----------0-0-0-0-|
-0-0-0-0-0---------|
-------------------|
-------------------|
-------------------|
-----------------0-|
-0h3-3-2-2-2-0-2---|
------------------|
-0-0--------------|
------2-2---------|
------------2-2---|
------------------|
--------4-7-4-----|
--0-4-7-------7-4-|
------------------|
Verse
Chorus
Verse
Chorus
Verse
Bridge
-----------------------|
-----------------------| x4
--7-7----------4-4-----|
-------4-4-7-7---------|
Chorus
Verse 'till fade out