diff --git a/keyboard/planck/extended_keymaps/extended_keymap_default.c b/keyboard/planck/extended_keymaps/extended_keymap_default.c
index 8bf1a0c87..1d5ac4321 100644
--- a/keyboard/planck/extended_keymaps/extended_keymap_default.c
+++ b/keyboard/planck/extended_keymaps/extended_keymap_default.c
@@ -1,4 +1,5 @@
 #include "extended_keymap_common.h"
+#include "backlight.h"
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 [0] = { /* Qwerty */
@@ -25,6 +26,12 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   {KC_TRNS, FUNC(3), FUNC(4), RESET, KC_TRNS, KC_TRNS, KC_TRNS, S(KC_MINS), S(KC_EQL),  S(KC_LBRC), S(KC_RBRC), S(KC_BSLS)},
   {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_TRNS},
   {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, FUNC(2),   KC_TRNS,   KC_TRNS,   KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
+},
+[4] = { /* TENKEY */
+  {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_KP_7,    KC_KP_8,    KC_KP_9,    KC_P,   KC_BSPC},
+  {KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_KP_4,    KC_KP_5,    KC_KP_6,    KC_SCLN,  KC_QUOT},
+  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_KP_1,    KC_KP_2,    KC_KP_3,  KC_SLSH, KC_ENT},
+  {KC_TRNS, KC_LCTL, KC_LALT, KC_LGUI, KC_TRNS,    KC_SPC,   KC_SPC, KC_KP_0,   KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
 }
 };
 
@@ -44,7 +51,7 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
         case 0:   
         if (record->event.pressed) {
           register_code(KC_RSFT);
-          ACTION_BACKLIGHT_STEP();
+          backlight_step();
         } else {
           unregister_code(KC_RSFT);
         }
diff --git a/keyboard/planck/extended_keymaps/extended_keymap_lock.c b/keyboard/planck/extended_keymaps/extended_keymap_lock.c
new file mode 100644
index 000000000..bb989cca8
--- /dev/null
+++ b/keyboard/planck/extended_keymaps/extended_keymap_lock.c
@@ -0,0 +1,65 @@
+#include "extended_keymap_common.h"
+#include "backlight.h"
+#include "action_layer.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = { /* Qwerty */
+  {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,   KC_BSPC},
+  {KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN,  KC_QUOT},
+  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT},
+  {M(0), KC_LCTL, KC_LALT, KC_LGUI, FUNC(2),    KC_SPC,   KC_SPC,    FUNC(1),   KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
+                                                // Space is repeated to accommadate for both spacebar wiring positions
+},
+[1] = { /* Colemak */
+  {KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSPC},
+  {KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,     KC_QUOT},
+  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT},
+  {KC_FN3, KC_LCTL, KC_LALT, KC_LGUI, FUNC(2),    KC_SPC,   KC_SPC,    FUNC(1),   KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
+},
+[2] = { /* RAISE */
+  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
+  {KC_TRNS, FUNC(3), FUNC(4), RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS},
+  {KC_TRNS, KC_F11,  KC_F12,  KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS,   KC_TRNS, KC_TRNS},
+  {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS,   KC_TRNS,  FUNC(1),   KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
+},
+[3] = { /* LOWER */
+  {S(KC_GRV),  S(KC_1),    S(KC_2),    S(KC_3),    S(KC_4),    S(KC_5),    S(KC_6),    S(KC_7),    S(KC_8),    S(KC_9),    S(KC_0), KC_BSPC},
+  {KC_TRNS, FUNC(3), FUNC(4), RESET, KC_TRNS, KC_TRNS, KC_TRNS, S(KC_MINS), S(KC_EQL),  S(KC_LBRC), S(KC_RBRC), S(KC_BSLS)},
+  {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_TRNS},
+  {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, FUNC(2),   KC_TRNS,   KC_TRNS,   KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
+},
+[4] = { /* TENKEY */
+  {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_KP_7,    KC_KP_8,    KC_KP_9,    KC_P,   KC_BSPC},
+  {KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_KP_4,    KC_KP_5,    KC_KP_6,    KC_SCLN,  KC_QUOT},
+  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_KP_1,    KC_KP_2,    KC_KP_3,  KC_SLSH, KC_ENT},
+  {KC_TRNS, KC_LCTL, KC_LALT, KC_LGUI, KC_TRNS,    KC_SPC,   KC_SPC, KC_KP_0,   KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
+}
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+    [1] = ACTION_LAYER_MOMENTARY(2),  // to RAISE
+    [2] = ACTION_LAYER_MOMENTARY(3),  // to LOWER
+
+    [3] = ACTION_DEFAULT_LAYER_SET(0),
+    [4] = ACTION_DEFAULT_LAYER_SET(1),
+
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) 
+{
+  // MACRODOWN only works in this function
+      switch(id) {
+        case 0:   
+        if (record->event.pressed) {
+          // register_code(KC_RSFT);
+          backlight_set(BACKLIGHT_LEVELS);
+          layer_on(4);
+        } else {
+          // unregister_code(KC_RSFT);
+          backlight_set(0);
+          layer_clear();
+        }
+        break;
+      } 
+    return MACRO_NONE;
+};